Home / 3,078,264.78-4,617,397.17-834,402.78

Finding the Fourth Proportional to 3,078,264.78, 4,617,397.17 and 834,402.78

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Solution

The fourth proportional to 3,078,264.78, 4,617,397.17 and 834,402.78 is: 1,251,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,264.78 : 4,617,397.17 = 834,402.78 : x
  2. Step 2: Convert to fraction form
    3,078,264.78/4,617,397.17 = 834,402.78/x
  3. Step 3: Cross multiply
    3,078,264.78x = 4,617,397.17 × 834,402.78
  4. Step 4: Simplify right side
    3,078,264.78x = 3,852,769,035,012.13
  5. Step 5: Solve for x
    x = 3,852,769,035,012.13/3,078,264.78
  6. Step 6: Final answer
    x = 1,251,604.17

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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.