Home / 2,746,431.80-4,119,647.70-853,158.20

Finding the Fourth Proportional to 2,746,431.80, 4,119,647.70 and 853,158.20

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Solution

The fourth proportional to 2,746,431.80, 4,119,647.70 and 853,158.20 is: 1,279,737.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746,431.80 : 4,119,647.70 = 853,158.20 : x
  2. Step 2: Convert to fraction form
    2,746,431.80/4,119,647.70 = 853,158.20/x
  3. Step 3: Cross multiply
    2,746,431.80x = 4,119,647.70 × 853,158.20
  4. Step 4: Simplify right side
    2,746,431.80x = 3,514,711,216,366.14
  5. Step 5: Solve for x
    x = 3,514,711,216,366.14/2,746,431.80
  6. Step 6: Final answer
    x = 1,279,737.30

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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.