Home / 2,199,589.40-3,299,384.10-1,443,762.20

Finding the Fourth Proportional to 2,199,589.40, 3,299,384.10 and 1,443,762.20

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Solution

The fourth proportional to 2,199,589.40, 3,299,384.10 and 1,443,762.20 is: 2,165,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,589.40 : 3,299,384.10 = 1,443,762.20 : x
  2. Step 2: Convert to fraction form
    2,199,589.40/3,299,384.10 = 1,443,762.20/x
  3. Step 3: Cross multiply
    2,199,589.40x = 3,299,384.10 × 1,443,762.20
  4. Step 4: Simplify right side
    2,199,589.40x = 4,763,526,046,861.02
  5. Step 5: Solve for x
    x = 4,763,526,046,861.02/2,199,589.40
  6. Step 6: Final answer
    x = 2,165,643.30

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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.