Home / 1,862,730.20-2,571,020.40-1,138,188.04

Finding the Fourth Proportional to 1,862,730.20, 2,571,020.40 and 1,138,188.04

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Solution

The fourth proportional to 1,862,730.20, 2,571,020.40 and 1,138,188.04 is: 1,570,976.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862,730.20 : 2,571,020.40 = 1,138,188.04 : x
  2. Step 2: Convert to fraction form
    1,862,730.20/2,571,020.40 = 1,138,188.04/x
  3. Step 3: Cross multiply
    1,862,730.20x = 2,571,020.40 × 1,138,188.04
  4. Step 4: Simplify right side
    1,862,730.20x = 2,926,304,669,876.02
  5. Step 5: Solve for x
    x = 2,926,304,669,876.02/1,862,730.20
  6. Step 6: Final answer
    x = 1,570,976.12

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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.