Home / 1,876,863.75-2,815,517.06-1,406,538.47

Finding the Fourth Proportional to 1,876,863.75, 2,815,517.06 and 1,406,538.47

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Solution

The fourth proportional to 1,876,863.75, 2,815,517.06 and 1,406,538.47 is: 2,109,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,863.75 : 2,815,517.06 = 1,406,538.47 : x
  2. Step 2: Convert to fraction form
    1,876,863.75/2,815,517.06 = 1,406,538.47/x
  3. Step 3: Cross multiply
    1,876,863.75x = 2,815,517.06 × 1,406,538.47
  4. Step 4: Simplify right side
    1,876,863.75x = 3,960,133,043,753.71
  5. Step 5: Solve for x
    x = 3,960,133,043,753.71/1,876,863.75
  6. Step 6: Final answer
    x = 2,109,973.64

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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.