Home / 1,810,053.60-2,712,747.60-1,387,233.60

Finding the Fourth Proportional to 1,810,053.60, 2,712,747.60 and 1,387,233.60

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Solution

The fourth proportional to 1,810,053.60, 2,712,747.60 and 1,387,233.60 is: 2,079,062.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,053.60 : 2,712,747.60 = 1,387,233.60 : x
  2. Step 2: Convert to fraction form
    1,810,053.60/2,712,747.60 = 1,387,233.60/x
  3. Step 3: Cross multiply
    1,810,053.60x = 2,712,747.60 × 1,387,233.60
  4. Step 4: Simplify right side
    1,810,053.60x = 3,763,214,619,039.36
  5. Step 5: Solve for x
    x = 3,763,214,619,039.36/1,810,053.60
  6. Step 6: Final answer
    x = 2,079,062.53

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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.