Home / 3,165,446.09-4,369,821.76-2,120,666.30

Finding the Fourth Proportional to 3,165,446.09, 4,369,821.76 and 2,120,666.30

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Solution

The fourth proportional to 3,165,446.09, 4,369,821.76 and 2,120,666.30 is: 2,927,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,446.09 : 4,369,821.76 = 2,120,666.30 : x
  2. Step 2: Convert to fraction form
    3,165,446.09/4,369,821.76 = 2,120,666.30/x
  3. Step 3: Cross multiply
    3,165,446.09x = 4,369,821.76 × 2,120,666.30
  4. Step 4: Simplify right side
    3,165,446.09x = 9,266,933,737,815.80
  5. Step 5: Solve for x
    x = 9,266,933,737,815.80/3,165,446.09
  6. Step 6: Final answer
    x = 2,927,528.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.