Home / 3,445,269-4,754,424.78-1,917,375.72

Finding the Fourth Proportional to 3,445,269, 4,754,424.78 and 1,917,375.72

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Solution

The fourth proportional to 3,445,269, 4,754,424.78 and 1,917,375.72 is: 2,645,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,269 : 4,754,424.78 = 1,917,375.72 : x
  2. Step 2: Convert to fraction form
    3,445,269/4,754,424.78 = 1,917,375.72/x
  3. Step 3: Cross multiply
    3,445,269x = 4,754,424.78 × 1,917,375.72
  4. Step 4: Simplify right side
    3,445,269x = 9,116,018,635,738.34
  5. Step 5: Solve for x
    x = 9,116,018,635,738.34/3,445,269
  6. Step 6: Final answer
    x = 2,645,952.65

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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.