Home / 5,138,033.28-7,090,484.85-2,815,008.18

Finding the Fourth Proportional to 5,138,033.28, 7,090,484.85 and 2,815,008.18

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Solution

The fourth proportional to 5,138,033.28, 7,090,484.85 and 2,815,008.18 is: 3,884,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,033.28 : 7,090,484.85 = 2,815,008.18 : x
  2. Step 2: Convert to fraction form
    5,138,033.28/7,090,484.85 = 2,815,008.18/x
  3. Step 3: Cross multiply
    5,138,033.28x = 7,090,484.85 × 2,815,008.18
  4. Step 4: Simplify right side
    5,138,033.28x = 19,959,772,852,916.07
  5. Step 5: Solve for x
    x = 19,959,772,852,916.07/5,138,033.28
  6. Step 6: Final answer
    x = 3,884,710.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.