Home / 2,891,346.72-4,337,235.14-869,428.77

Finding the Fourth Proportional to 2,891,346.72, 4,337,235.14 and 869,428.77

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Solution

The fourth proportional to 2,891,346.72, 4,337,235.14 and 869,428.77 is: 1,304,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,346.72 : 4,337,235.14 = 869,428.77 : x
  2. Step 2: Convert to fraction form
    2,891,346.72/4,337,235.14 = 869,428.77/x
  3. Step 3: Cross multiply
    2,891,346.72x = 4,337,235.14 × 869,428.77
  4. Step 4: Simplify right side
    2,891,346.72x = 3,770,917,008,623.83
  5. Step 5: Solve for x
    x = 3,770,917,008,623.83/2,891,346.72
  6. Step 6: Final answer
    x = 1,304,207.82

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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.