Home / 2,939,420.92-4,409,131.68-917,838.04

Finding the Fourth Proportional to 2,939,420.92, 4,409,131.68 and 917,838.04

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Solution

The fourth proportional to 2,939,420.92, 4,409,131.68 and 917,838.04 is: 1,376,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939,420.92 : 4,409,131.68 = 917,838.04 : x
  2. Step 2: Convert to fraction form
    2,939,420.92/4,409,131.68 = 917,838.04/x
  3. Step 3: Cross multiply
    2,939,420.92x = 4,409,131.68 × 917,838.04
  4. Step 4: Simplify right side
    2,939,420.92x = 4,046,868,779,273.11
  5. Step 5: Solve for x
    x = 4,046,868,779,273.11/2,939,420.92
  6. Step 6: Final answer
    x = 1,376,757.15

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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.