Home / 2,687,218.80-4,029,895.08-793,451.76

Finding the Fourth Proportional to 2,687,218.80, 4,029,895.08 and 793,451.76

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Solution

The fourth proportional to 2,687,218.80, 4,029,895.08 and 793,451.76 is: 1,189,902.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,218.80 : 4,029,895.08 = 793,451.76 : x
  2. Step 2: Convert to fraction form
    2,687,218.80/4,029,895.08 = 793,451.76/x
  3. Step 3: Cross multiply
    2,687,218.80x = 4,029,895.08 × 793,451.76
  4. Step 4: Simplify right side
    2,687,218.80x = 3,197,527,343,841.34
  5. Step 5: Solve for x
    x = 3,197,527,343,841.34/2,687,218.80
  6. Step 6: Final answer
    x = 1,189,902.12

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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.