Home / 5,381,643.78-7,426,726.38-2,934,234.72

Finding the Fourth Proportional to 5,381,643.78, 7,426,726.38 and 2,934,234.72

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Solution

The fourth proportional to 5,381,643.78, 7,426,726.38 and 2,934,234.72 is: 4,049,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,643.78 : 7,426,726.38 = 2,934,234.72 : x
  2. Step 2: Convert to fraction form
    5,381,643.78/7,426,726.38 = 2,934,234.72/x
  3. Step 3: Cross multiply
    5,381,643.78x = 7,426,726.38 × 2,934,234.72
  4. Step 4: Simplify right side
    5,381,643.78x = 21,791,758,400,135.91
  5. Step 5: Solve for x
    x = 21,791,758,400,135.91/5,381,643.78
  6. Step 6: Final answer
    x = 4,049,275.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.