Home / 1,853,107.60-2,777,587.80-787,968.40

Finding the Fourth Proportional to 1,853,107.60, 2,777,587.80 and 787,968.40

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Solution

The fourth proportional to 1,853,107.60, 2,777,587.80 and 787,968.40 is: 1,181,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,107.60 : 2,777,587.80 = 787,968.40 : x
  2. Step 2: Convert to fraction form
    1,853,107.60/2,777,587.80 = 787,968.40/x
  3. Step 3: Cross multiply
    1,853,107.60x = 2,777,587.80 × 787,968.40
  4. Step 4: Simplify right side
    1,853,107.60x = 2,188,651,414,625.52
  5. Step 5: Solve for x
    x = 2,188,651,414,625.52/1,853,107.60
  6. Step 6: Final answer
    x = 1,181,070.88

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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.