Home / 1,983,920.40-2,737,618.20-1,112,789.52

Finding the Fourth Proportional to 1,983,920.40, 2,737,618.20 and 1,112,789.52

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Solution

The fourth proportional to 1,983,920.40, 2,737,618.20 and 1,112,789.52 is: 1,535,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,920.40 : 2,737,618.20 = 1,112,789.52 : x
  2. Step 2: Convert to fraction form
    1,983,920.40/2,737,618.20 = 1,112,789.52/x
  3. Step 3: Cross multiply
    1,983,920.40x = 2,737,618.20 × 1,112,789.52
  4. Step 4: Simplify right side
    1,983,920.40x = 3,046,392,842,721.26
  5. Step 5: Solve for x
    x = 3,046,392,842,721.26/1,983,920.40
  6. Step 6: Final answer
    x = 1,535,541.87

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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.