Home / 2,810,588.38-4,215,868.47-680,672.44

Finding the Fourth Proportional to 2,810,588.38, 4,215,868.47 and 680,672.44

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Solution

The fourth proportional to 2,810,588.38, 4,215,868.47 and 680,672.44 is: 1,021,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,588.38 : 4,215,868.47 = 680,672.44 : x
  2. Step 2: Convert to fraction form
    2,810,588.38/4,215,868.47 = 680,672.44/x
  3. Step 3: Cross multiply
    2,810,588.38x = 4,215,868.47 × 680,672.44
  4. Step 4: Simplify right side
    2,810,588.38x = 2,869,625,478,193.97
  5. Step 5: Solve for x
    x = 2,869,625,478,193.97/2,810,588.38
  6. Step 6: Final answer
    x = 1,021,005.25

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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.