Home / 5,182,988.28-7,152,535.32-2,891,297.40

Finding the Fourth Proportional to 5,182,988.28, 7,152,535.32 and 2,891,297.40

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Solution

The fourth proportional to 5,182,988.28, 7,152,535.32 and 2,891,297.40 is: 3,989,996.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182,988.28 : 7,152,535.32 = 2,891,297.40 : x
  2. Step 2: Convert to fraction form
    5,182,988.28/7,152,535.32 = 2,891,297.40/x
  3. Step 3: Cross multiply
    5,182,988.28x = 7,152,535.32 × 2,891,297.40
  4. Step 4: Simplify right side
    5,182,988.28x = 20,680,106,774,124.17
  5. Step 5: Solve for x
    x = 20,680,106,774,124.17/5,182,988.28
  6. Step 6: Final answer
    x = 3,989,996.82

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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.