Home / 3,238,989.30-4,861,421.55-1,642,662.90

Finding the Fourth Proportional to 3,238,989.30, 4,861,421.55 and 1,642,662.90

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Solution

The fourth proportional to 3,238,989.30, 4,861,421.55 and 1,642,662.90 is: 2,465,484.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238,989.30 : 4,861,421.55 = 1,642,662.90 : x
  2. Step 2: Convert to fraction form
    3,238,989.30/4,861,421.55 = 1,642,662.90/x
  3. Step 3: Cross multiply
    3,238,989.30x = 4,861,421.55 × 1,642,662.90
  4. Step 4: Simplify right side
    3,238,989.30x = 7,985,676,821,445.49
  5. Step 5: Solve for x
    x = 7,985,676,821,445.49/3,238,989.30
  6. Step 6: Final answer
    x = 2,465,484.16

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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.