Home / 2,869,548.30-3,960,155.68-1,580,388.36

Finding the Fourth Proportional to 2,869,548.30, 3,960,155.68 and 1,580,388.36

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Solution

The fourth proportional to 2,869,548.30, 3,960,155.68 and 1,580,388.36 is: 2,181,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,548.30 : 3,960,155.68 = 1,580,388.36 : x
  2. Step 2: Convert to fraction form
    2,869,548.30/3,960,155.68 = 1,580,388.36/x
  3. Step 3: Cross multiply
    2,869,548.30x = 3,960,155.68 × 1,580,388.36
  4. Step 4: Simplify right side
    2,869,548.30x = 6,258,583,940,459.89
  5. Step 5: Solve for x
    x = 6,258,583,940,459.89/2,869,548.30
  6. Step 6: Final answer
    x = 2,181,034.53

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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.