Home / 2,553,743.40-3,828,671.10-1,292,476.20

Finding the Fourth Proportional to 2,553,743.40, 3,828,671.10 and 1,292,476.20

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Solution

The fourth proportional to 2,553,743.40, 3,828,671.10 and 1,292,476.20 is: 1,937,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553,743.40 : 3,828,671.10 = 1,292,476.20 : x
  2. Step 2: Convert to fraction form
    2,553,743.40/3,828,671.10 = 1,292,476.20/x
  3. Step 3: Cross multiply
    2,553,743.40x = 3,828,671.10 × 1,292,476.20
  4. Step 4: Simplify right side
    2,553,743.40x = 4,948,466,274,377.82
  5. Step 5: Solve for x
    x = 4,948,466,274,377.82/2,553,743.40
  6. Step 6: Final answer
    x = 1,937,730.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.