Home / 1,580,548-2,181,190.80-865,156

Finding the Fourth Proportional to 1,580,548, 2,181,190.80 and 865,156

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Solution

The fourth proportional to 1,580,548, 2,181,190.80 and 865,156 is: 1,193,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,548 : 2,181,190.80 = 865,156 : x
  2. Step 2: Convert to fraction form
    1,580,548/2,181,190.80 = 865,156/x
  3. Step 3: Cross multiply
    1,580,548x = 2,181,190.80 × 865,156
  4. Step 4: Simplify right side
    1,580,548x = 1,887,070,307,764.80
  5. Step 5: Solve for x
    x = 1,887,070,307,764.80/1,580,548
  6. Step 6: Final answer
    x = 1,193,934.20

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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.