Home / 3,010,861.20-4,516,291.80-989,417.10

Finding the Fourth Proportional to 3,010,861.20, 4,516,291.80 and 989,417.10

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Solution

The fourth proportional to 3,010,861.20, 4,516,291.80 and 989,417.10 is: 1,484,125.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010,861.20 : 4,516,291.80 = 989,417.10 : x
  2. Step 2: Convert to fraction form
    3,010,861.20/4,516,291.80 = 989,417.10/x
  3. Step 3: Cross multiply
    3,010,861.20x = 4,516,291.80 × 989,417.10
  4. Step 4: Simplify right side
    3,010,861.20x = 4,468,496,335,509.78
  5. Step 5: Solve for x
    x = 4,468,496,335,509.78/3,010,861.20
  6. Step 6: Final answer
    x = 1,484,125.65

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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.