Home / 2,215,280.20-3,057,655.44-1,442,835.88

Finding the Fourth Proportional to 2,215,280.20, 3,057,655.44 and 1,442,835.88

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Solution

The fourth proportional to 2,215,280.20, 3,057,655.44 and 1,442,835.88 is: 1,991,483.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,280.20 : 3,057,655.44 = 1,442,835.88 : x
  2. Step 2: Convert to fraction form
    2,215,280.20/3,057,655.44 = 1,442,835.88/x
  3. Step 3: Cross multiply
    2,215,280.20x = 3,057,655.44 × 1,442,835.88
  4. Step 4: Simplify right side
    2,215,280.20x = 4,411,694,977,509.19
  5. Step 5: Solve for x
    x = 4,411,694,977,509.19/2,215,280.20
  6. Step 6: Final answer
    x = 1,991,483.96

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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.