Home / 1,898,578.13-2,619,937.25-1,038,972.30

Finding the Fourth Proportional to 1,898,578.13, 2,619,937.25 and 1,038,972.30

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Solution

The fourth proportional to 1,898,578.13, 2,619,937.25 and 1,038,972.30 is: 1,433,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,578.13 : 2,619,937.25 = 1,038,972.30 : x
  2. Step 2: Convert to fraction form
    1,898,578.13/2,619,937.25 = 1,038,972.30/x
  3. Step 3: Cross multiply
    1,898,578.13x = 2,619,937.25 × 1,038,972.30
  4. Step 4: Simplify right side
    1,898,578.13x = 2,722,042,225,293.31
  5. Step 5: Solve for x
    x = 2,722,042,225,293.31/1,898,578.13
  6. Step 6: Final answer
    x = 1,433,726.74

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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.