Home / 3,445,436.73-5,167,760.74-921,288.81

Finding the Fourth Proportional to 3,445,436.73, 5,167,760.74 and 921,288.81

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Solution

The fourth proportional to 3,445,436.73, 5,167,760.74 and 921,288.81 is: 1,381,827.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,436.73 : 5,167,760.74 = 921,288.81 : x
  2. Step 2: Convert to fraction form
    3,445,436.73/5,167,760.74 = 921,288.81/x
  3. Step 3: Cross multiply
    3,445,436.73x = 5,167,760.74 × 921,288.81
  4. Step 4: Simplify right side
    3,445,436.73x = 4,761,000,112,074.07
  5. Step 5: Solve for x
    x = 4,761,000,112,074.07/3,445,436.73
  6. Step 6: Final answer
    x = 1,381,827.76

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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.