Home / 1,810,081.60-2,712,789.60-1,387,261.60

Finding the Fourth Proportional to 1,810,081.60, 2,712,789.60 and 1,387,261.60

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Solution

The fourth proportional to 1,810,081.60, 2,712,789.60 and 1,387,261.60 is: 2,079,104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,081.60 : 2,712,789.60 = 1,387,261.60 : x
  2. Step 2: Convert to fraction form
    1,810,081.60/2,712,789.60 = 1,387,261.60/x
  3. Step 3: Cross multiply
    1,810,081.60x = 2,712,789.60 × 1,387,261.60
  4. Step 4: Simplify right side
    1,810,081.60x = 3,763,348,840,959.36
  5. Step 5: Solve for x
    x = 3,763,348,840,959.36/1,810,081.60
  6. Step 6: Final answer
    x = 2,079,104.52

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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.