Home / 2,988,695.22-4,482,561.65-858,294.78

Finding the Fourth Proportional to 2,988,695.22, 4,482,561.65 and 858,294.78

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Solution

The fourth proportional to 2,988,695.22, 4,482,561.65 and 858,294.78 is: 1,287,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,695.22 : 4,482,561.65 = 858,294.78 : x
  2. Step 2: Convert to fraction form
    2,988,695.22/4,482,561.65 = 858,294.78/x
  3. Step 3: Cross multiply
    2,988,695.22x = 4,482,561.65 × 858,294.78
  4. Step 4: Simplify right side
    2,988,695.22x = 3,847,359,260,931.71
  5. Step 5: Solve for x
    x = 3,847,359,260,931.71/2,988,695.22
  6. Step 6: Final answer
    x = 1,287,303.98

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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.