Home / 2,155,948.30-3,236,165.49-1,587,970.74

Finding the Fourth Proportional to 2,155,948.30, 3,236,165.49 and 1,587,970.74

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Solution

The fourth proportional to 2,155,948.30, 3,236,165.49 and 1,587,970.74 is: 2,383,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,948.30 : 3,236,165.49 = 1,587,970.74 : x
  2. Step 2: Convert to fraction form
    2,155,948.30/3,236,165.49 = 1,587,970.74/x
  3. Step 3: Cross multiply
    2,155,948.30x = 3,236,165.49 × 1,587,970.74
  4. Step 4: Simplify right side
    2,155,948.30x = 5,138,936,107,917.76
  5. Step 5: Solve for x
    x = 5,138,936,107,917.76/2,155,948.30
  6. Step 6: Final answer
    x = 2,383,608.23

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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.