Home / 4,752,000.30-7,128,000.45-4,270,925.10

Finding the Fourth Proportional to 4,752,000.30, 7,128,000.45 and 4,270,925.10

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Solution

The fourth proportional to 4,752,000.30, 7,128,000.45 and 4,270,925.10 is: 6,406,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,000.30 : 7,128,000.45 = 4,270,925.10 : x
  2. Step 2: Convert to fraction form
    4,752,000.30/7,128,000.45 = 4,270,925.10/x
  3. Step 3: Cross multiply
    4,752,000.30x = 7,128,000.45 × 4,270,925.10
  4. Step 4: Simplify right side
    4,752,000.30x = 30,443,156,034,716.29
  5. Step 5: Solve for x
    x = 30,443,156,034,716.29/4,752,000.30
  6. Step 6: Final answer
    x = 6,406,387.65

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1.5x scale

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.