Home / 2,729,143.95-3,766,152.13-1,505,422.68

Finding the Fourth Proportional to 2,729,143.95, 3,766,152.13 and 1,505,422.68

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Solution

The fourth proportional to 2,729,143.95, 3,766,152.13 and 1,505,422.68 is: 2,077,446.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729,143.95 : 3,766,152.13 = 1,505,422.68 : x
  2. Step 2: Convert to fraction form
    2,729,143.95/3,766,152.13 = 1,505,422.68/x
  3. Step 3: Cross multiply
    2,729,143.95x = 3,766,152.13 × 1,505,422.68
  4. Step 4: Simplify right side
    2,729,143.95x = 5,669,650,832,832.31
  5. Step 5: Solve for x
    x = 5,669,650,832,832.31/2,729,143.95
  6. Step 6: Final answer
    x = 2,077,446.60

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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.