Home / 5,064,308.55-6,989,411.09-2,888,352.90

Finding the Fourth Proportional to 5,064,308.55, 6,989,411.09 and 2,888,352.90

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Solution

The fourth proportional to 5,064,308.55, 6,989,411.09 and 2,888,352.90 is: 3,986,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,064,308.55 : 6,989,411.09 = 2,888,352.90 : x
  2. Step 2: Convert to fraction form
    5,064,308.55/6,989,411.09 = 2,888,352.90/x
  3. Step 3: Cross multiply
    5,064,308.55x = 6,989,411.09 × 2,888,352.90
  4. Step 4: Simplify right side
    5,064,308.55x = 20,187,885,805,787.46
  5. Step 5: Solve for x
    x = 20,187,885,805,787.46/5,064,308.55
  6. Step 6: Final answer
    x = 3,986,306.44

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1.5x scale

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.