Home / 2,752,856.70-4,129,285.05-731,412.60

Finding the Fourth Proportional to 2,752,856.70, 4,129,285.05 and 731,412.60

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Solution

The fourth proportional to 2,752,856.70, 4,129,285.05 and 731,412.60 is: 1,097,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,856.70 : 4,129,285.05 = 731,412.60 : x
  2. Step 2: Convert to fraction form
    2,752,856.70/4,129,285.05 = 731,412.60/x
  3. Step 3: Cross multiply
    2,752,856.70x = 4,129,285.05 × 731,412.60
  4. Step 4: Simplify right side
    2,752,856.70x = 3,020,211,114,561.63
  5. Step 5: Solve for x
    x = 3,020,211,114,561.63/2,752,856.70
  6. Step 6: Final answer
    x = 1,097,118.90

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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.