Home / 5,620,427.80-8,430,629.20-4,342,892.92

Finding the Fourth Proportional to 5,620,427.80, 8,430,629.20 and 4,342,892.92

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Solution

The fourth proportional to 5,620,427.80, 8,430,629.20 and 4,342,892.92 is: 6,514,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620,427.80 : 8,430,629.20 = 4,342,892.92 : x
  2. Step 2: Convert to fraction form
    5,620,427.80/8,430,629.20 = 4,342,892.92/x
  3. Step 3: Cross multiply
    5,620,427.80x = 8,430,629.20 × 4,342,892.92
  4. Step 4: Simplify right side
    5,620,427.80x = 36,613,319,863,825.26
  5. Step 5: Solve for x
    x = 36,613,319,863,825.26/5,620,427.80
  6. Step 6: Final answer
    x = 6,514,329.72

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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.