Home / 2,887,211.55-3,984,445.98-1,663,421.04

Finding the Fourth Proportional to 2,887,211.55, 3,984,445.98 and 1,663,421.04

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Solution

The fourth proportional to 2,887,211.55, 3,984,445.98 and 1,663,421.04 is: 2,295,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,211.55 : 3,984,445.98 = 1,663,421.04 : x
  2. Step 2: Convert to fraction form
    2,887,211.55/3,984,445.98 = 1,663,421.04/x
  3. Step 3: Cross multiply
    2,887,211.55x = 3,984,445.98 × 1,663,421.04
  4. Step 4: Simplify right side
    2,887,211.55x = 6,627,811,275,875.42
  5. Step 5: Solve for x
    x = 6,627,811,275,875.42/2,887,211.55
  6. Step 6: Final answer
    x = 2,295,575.22

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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.