Home / 2,292,521.40-3,163,708.20-1,260,141.90

Finding the Fourth Proportional to 2,292,521.40, 3,163,708.20 and 1,260,141.90

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Solution

The fourth proportional to 2,292,521.40, 3,163,708.20 and 1,260,141.90 is: 1,739,011.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292,521.40 : 3,163,708.20 = 1,260,141.90 : x
  2. Step 2: Convert to fraction form
    2,292,521.40/3,163,708.20 = 1,260,141.90/x
  3. Step 3: Cross multiply
    2,292,521.40x = 3,163,708.20 × 1,260,141.90
  4. Step 4: Simplify right side
    2,292,521.40x = 3,986,721,262,193.58
  5. Step 5: Solve for x
    x = 3,986,721,262,193.58/2,292,521.40
  6. Step 6: Final answer
    x = 1,739,011.58

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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.