Home / 3,119,327.60-4,678,991.40-2,206,036.40

Finding the Fourth Proportional to 3,119,327.60, 4,678,991.40 and 2,206,036.40

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Solution

The fourth proportional to 3,119,327.60, 4,678,991.40 and 2,206,036.40 is: 3,309,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,327.60 : 4,678,991.40 = 2,206,036.40 : x
  2. Step 2: Convert to fraction form
    3,119,327.60/4,678,991.40 = 2,206,036.40/x
  3. Step 3: Cross multiply
    3,119,327.60x = 4,678,991.40 × 2,206,036.40
  4. Step 4: Simplify right side
    3,119,327.60x = 10,322,025,343,686.96
  5. Step 5: Solve for x
    x = 10,322,025,343,686.96/3,119,327.60
  6. Step 6: Final answer
    x = 3,309,054.60

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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.