Home / 3,516,878.79-5,274,580.01-991,943.55

Finding the Fourth Proportional to 3,516,878.79, 5,274,580.01 and 991,943.55

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Solution

The fourth proportional to 3,516,878.79, 5,274,580.01 and 991,943.55 is: 1,487,707.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,878.79 : 5,274,580.01 = 991,943.55 : x
  2. Step 2: Convert to fraction form
    3,516,878.79/5,274,580.01 = 991,943.55/x
  3. Step 3: Cross multiply
    3,516,878.79x = 5,274,580.01 × 991,943.55
  4. Step 4: Simplify right side
    3,516,878.79x = 5,232,085,614,918.72
  5. Step 5: Solve for x
    x = 5,232,085,614,918.72/3,516,878.79
  6. Step 6: Final answer
    x = 1,487,707.12

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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.