Home / 2,869,542.30-3,960,147.39-1,580,382.36

Finding the Fourth Proportional to 2,869,542.30, 3,960,147.39 and 1,580,382.36

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Solution

The fourth proportional to 2,869,542.30, 3,960,147.39 and 1,580,382.36 is: 2,181,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,542.30 : 3,960,147.39 = 1,580,382.36 : x
  2. Step 2: Convert to fraction form
    2,869,542.30/3,960,147.39 = 1,580,382.36/x
  3. Step 3: Cross multiply
    2,869,542.30x = 3,960,147.39 × 1,580,382.36
  4. Step 4: Simplify right side
    2,869,542.30x = 6,258,547,078,156.04
  5. Step 5: Solve for x
    x = 6,258,547,078,156.04/2,869,542.30
  6. Step 6: Final answer
    x = 2,181,026.25

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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.