Home / 4,857,000.30-7,285,500.45-1,490,769.90

Finding the Fourth Proportional to 4,857,000.30, 7,285,500.45 and 1,490,769.90

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Solution

The fourth proportional to 4,857,000.30, 7,285,500.45 and 1,490,769.90 is: 2,236,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857,000.30 : 7,285,500.45 = 1,490,769.90 : x
  2. Step 2: Convert to fraction form
    4,857,000.30/7,285,500.45 = 1,490,769.90/x
  3. Step 3: Cross multiply
    4,857,000.30x = 7,285,500.45 × 1,490,769.90
  4. Step 4: Simplify right side
    4,857,000.30x = 10,861,004,777,296.46
  5. Step 5: Solve for x
    x = 10,861,004,777,296.46/4,857,000.30
  6. Step 6: Final answer
    x = 2,236,154.85

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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.