Home / 2,549,138.52-3,517,807.50-1,387,581.20

Finding the Fourth Proportional to 2,549,138.52, 3,517,807.50 and 1,387,581.20

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Solution

The fourth proportional to 2,549,138.52, 3,517,807.50 and 1,387,581.20 is: 1,914,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549,138.52 : 3,517,807.50 = 1,387,581.20 : x
  2. Step 2: Convert to fraction form
    2,549,138.52/3,517,807.50 = 1,387,581.20/x
  3. Step 3: Cross multiply
    2,549,138.52x = 3,517,807.50 × 1,387,581.20
  4. Step 4: Simplify right side
    2,549,138.52x = 4,881,243,534,629.96
  5. Step 5: Solve for x
    x = 4,881,243,534,629.96/2,549,138.52
  6. Step 6: Final answer
    x = 1,914,860.06

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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.