Home / 1,838,105.60-2,533,774.38-1,292,755.28

Finding the Fourth Proportional to 1,838,105.60, 2,533,774.38 and 1,292,755.28

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Solution

The fourth proportional to 1,838,105.60, 2,533,774.38 and 1,292,755.28 is: 1,782,025.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,105.60 : 2,533,774.38 = 1,292,755.28 : x
  2. Step 2: Convert to fraction form
    1,838,105.60/2,533,774.38 = 1,292,755.28/x
  3. Step 3: Cross multiply
    1,838,105.60x = 2,533,774.38 × 1,292,755.28
  4. Step 4: Simplify right side
    1,838,105.60x = 3,275,550,208,073.73
  5. Step 5: Solve for x
    x = 3,275,550,208,073.73/1,838,105.60
  6. Step 6: Final answer
    x = 1,782,025.04

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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.