Home / 1,993,742.10-2,990,613.15-928,891.80

Finding the Fourth Proportional to 1,993,742.10, 2,990,613.15 and 928,891.80

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Solution

The fourth proportional to 1,993,742.10, 2,990,613.15 and 928,891.80 is: 1,393,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,742.10 : 2,990,613.15 = 928,891.80 : x
  2. Step 2: Convert to fraction form
    1,993,742.10/2,990,613.15 = 928,891.80/x
  3. Step 3: Cross multiply
    1,993,742.10x = 2,990,613.15 × 928,891.80
  4. Step 4: Simplify right side
    1,993,742.10x = 2,777,956,032,007.17
  5. Step 5: Solve for x
    x = 2,777,956,032,007.17/1,993,742.10
  6. Step 6: Final answer
    x = 1,393,337.70

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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.