Home / 1,878,575.10-2,817,855.70-680,217.15

Finding the Fourth Proportional to 1,878,575.10, 2,817,855.70 and 680,217.15

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Solution

The fourth proportional to 1,878,575.10, 2,817,855.70 and 680,217.15 is: 1,020,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,575.10 : 2,817,855.70 = 680,217.15 : x
  2. Step 2: Convert to fraction form
    1,878,575.10/2,817,855.70 = 680,217.15/x
  3. Step 3: Cross multiply
    1,878,575.10x = 2,817,855.70 × 680,217.15
  4. Step 4: Simplify right side
    1,878,575.10x = 1,916,753,773,365.26
  5. Step 5: Solve for x
    x = 1,916,753,773,365.26/1,878,575.10
  6. Step 6: Final answer
    x = 1,020,323.21

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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.