Home / 2,509,117.38-3,763,679.07-687,497.88

Finding the Fourth Proportional to 2,509,117.38, 3,763,679.07 and 687,497.88

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Solution

The fourth proportional to 2,509,117.38, 3,763,679.07 and 687,497.88 is: 1,031,247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509,117.38 : 3,763,679.07 = 687,497.88 : x
  2. Step 2: Convert to fraction form
    2,509,117.38/3,763,679.07 = 687,497.88/x
  3. Step 3: Cross multiply
    2,509,117.38x = 3,763,679.07 × 687,497.88
  4. Step 4: Simplify right side
    2,509,117.38x = 2,587,521,381,625.37
  5. Step 5: Solve for x
    x = 2,587,521,381,625.37/2,509,117.38
  6. Step 6: Final answer
    x = 1,031,247.64

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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.