Home / 3,159,237.60-4,738,856.40-3,111,998.40

Finding the Fourth Proportional to 3,159,237.60, 4,738,856.40 and 3,111,998.40

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Solution

The fourth proportional to 3,159,237.60, 4,738,856.40 and 3,111,998.40 is: 4,667,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159,237.60 : 4,738,856.40 = 3,111,998.40 : x
  2. Step 2: Convert to fraction form
    3,159,237.60/4,738,856.40 = 3,111,998.40/x
  3. Step 3: Cross multiply
    3,159,237.60x = 4,738,856.40 × 3,111,998.40
  4. Step 4: Simplify right side
    3,159,237.60x = 14,747,313,534,629.76
  5. Step 5: Solve for x
    x = 14,747,313,534,629.76/3,159,237.60
  6. Step 6: Final answer
    x = 4,667,997.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.