Home / 1,838,671.20-2,752,887.60-938,167.20

Finding the Fourth Proportional to 1,838,671.20, 2,752,887.60 and 938,167.20

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Solution

The fourth proportional to 1,838,671.20, 2,752,887.60 and 938,167.20 is: 1,404,638.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,671.20 : 2,752,887.60 = 938,167.20 : x
  2. Step 2: Convert to fraction form
    1,838,671.20/2,752,887.60 = 938,167.20/x
  3. Step 3: Cross multiply
    1,838,671.20x = 2,752,887.60 × 938,167.20
  4. Step 4: Simplify right side
    1,838,671.20x = 2,582,668,851,606.72
  5. Step 5: Solve for x
    x = 2,582,668,851,606.72/1,838,671.20
  6. Step 6: Final answer
    x = 1,404,638.77

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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.