Home / 3,445,412.21-5,167,724.65-921,264.29

Finding the Fourth Proportional to 3,445,412.21, 5,167,724.65 and 921,264.29

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Solution

The fourth proportional to 3,445,412.21, 5,167,724.65 and 921,264.29 is: 1,381,791.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,412.21 : 5,167,724.65 = 921,264.29 : x
  2. Step 2: Convert to fraction form
    3,445,412.21/5,167,724.65 = 921,264.29/x
  3. Step 3: Cross multiply
    3,445,412.21x = 5,167,724.65 × 921,264.29
  4. Step 4: Simplify right side
    3,445,412.21x = 4,760,840,152,455.97
  5. Step 5: Solve for x
    x = 4,760,840,152,455.97/3,445,412.21
  6. Step 6: Final answer
    x = 1,381,791.17

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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.