Home / 3,851,697.13-5,315,276.35-2,132,780.74

Finding the Fourth Proportional to 3,851,697.13, 5,315,276.35 and 2,132,780.74

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Solution

The fourth proportional to 3,851,697.13, 5,315,276.35 and 2,132,780.74 is: 2,943,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,697.13 : 5,315,276.35 = 2,132,780.74 : x
  2. Step 2: Convert to fraction form
    3,851,697.13/5,315,276.35 = 2,132,780.74/x
  3. Step 3: Cross multiply
    3,851,697.13x = 5,315,276.35 × 2,132,780.74
  4. Step 4: Simplify right side
    3,851,697.13x = 11,336,319,027,057.50
  5. Step 5: Solve for x
    x = 11,336,319,027,057.50/3,851,697.13
  6. Step 6: Final answer
    x = 2,943,201.05

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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.