Home / 2,746,429.80-4,119,644.70-853,156.20

Finding the Fourth Proportional to 2,746,429.80, 4,119,644.70 and 853,156.20

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Solution

The fourth proportional to 2,746,429.80, 4,119,644.70 and 853,156.20 is: 1,279,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746,429.80 : 4,119,644.70 = 853,156.20 : x
  2. Step 2: Convert to fraction form
    2,746,429.80/4,119,644.70 = 853,156.20/x
  3. Step 3: Cross multiply
    2,746,429.80x = 4,119,644.70 × 853,156.20
  4. Step 4: Simplify right side
    2,746,429.80x = 3,514,700,417,602.14
  5. Step 5: Solve for x
    x = 3,514,700,417,602.14/2,746,429.80
  6. Step 6: Final answer
    x = 1,279,734.30

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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.