Home / 2,988,695.47-4,482,562.02-858,295.03

Finding the Fourth Proportional to 2,988,695.47, 4,482,562.02 and 858,295.03

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Solution

The fourth proportional to 2,988,695.47, 4,482,562.02 and 858,295.03 is: 1,287,304.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,695.47 : 4,482,562.02 = 858,295.03 : x
  2. Step 2: Convert to fraction form
    2,988,695.47/4,482,562.02 = 858,295.03/x
  3. Step 3: Cross multiply
    2,988,695.47x = 4,482,562.02 × 858,295.03
  4. Step 4: Simplify right side
    2,988,695.47x = 3,847,360,703,432.76
  5. Step 5: Solve for x
    x = 3,847,360,703,432.76/2,988,695.47
  6. Step 6: Final answer
    x = 1,287,304.36

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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.