Home / 2,238,013.72-3,357,675.65-721,666.16

Finding the Fourth Proportional to 2,238,013.72, 3,357,675.65 and 721,666.16

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Solution

The fourth proportional to 2,238,013.72, 3,357,675.65 and 721,666.16 is: 1,082,710.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,013.72 : 3,357,675.65 = 721,666.16 : x
  2. Step 2: Convert to fraction form
    2,238,013.72/3,357,675.65 = 721,666.16/x
  3. Step 3: Cross multiply
    2,238,013.72x = 3,357,675.65 × 721,666.16
  4. Step 4: Simplify right side
    2,238,013.72x = 2,423,120,890,468.07
  5. Step 5: Solve for x
    x = 2,423,120,890,468.07/2,238,013.72
  6. Step 6: Final answer
    x = 1,082,710.47

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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.