Home / 2,877,029.24-3,970,280.81-1,587,869.60

Finding the Fourth Proportional to 2,877,029.24, 3,970,280.81 and 1,587,869.60

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Solution

The fourth proportional to 2,877,029.24, 3,970,280.81 and 1,587,869.60 is: 2,191,249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,029.24 : 3,970,280.81 = 1,587,869.60 : x
  2. Step 2: Convert to fraction form
    2,877,029.24/3,970,280.81 = 1,587,869.60/x
  3. Step 3: Cross multiply
    2,877,029.24x = 3,970,280.81 × 1,587,869.60
  4. Step 4: Simplify right side
    2,877,029.24x = 6,304,288,193,723.03
  5. Step 5: Solve for x
    x = 6,304,288,193,723.03/2,877,029.24
  6. Step 6: Final answer
    x = 2,191,249.26

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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.