Home / 1,977,429.46-2,729,143.83-1,252,344.61

Finding the Fourth Proportional to 1,977,429.46, 2,729,143.83 and 1,252,344.61

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Solution

The fourth proportional to 1,977,429.46, 2,729,143.83 and 1,252,344.61 is: 1,728,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,429.46 : 2,729,143.83 = 1,252,344.61 : x
  2. Step 2: Convert to fraction form
    1,977,429.46/2,729,143.83 = 1,252,344.61/x
  3. Step 3: Cross multiply
    1,977,429.46x = 2,729,143.83 × 1,252,344.61
  4. Step 4: Simplify right side
    1,977,429.46x = 3,417,828,565,415.26
  5. Step 5: Solve for x
    x = 3,417,828,565,415.26/1,977,429.46
  6. Step 6: Final answer
    x = 1,728,419.97

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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.