Home / 5,620,414.80-8,430,609.72-4,342,879.92

Finding the Fourth Proportional to 5,620,414.80, 8,430,609.72 and 4,342,879.92

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Solution

The fourth proportional to 5,620,414.80, 8,430,609.72 and 4,342,879.92 is: 6,514,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620,414.80 : 8,430,609.72 = 4,342,879.92 : x
  2. Step 2: Convert to fraction form
    5,620,414.80/8,430,609.72 = 4,342,879.92/x
  3. Step 3: Cross multiply
    5,620,414.80x = 8,430,609.72 × 4,342,879.92
  4. Step 4: Simplify right side
    5,620,414.80x = 36,613,125,666,344.83
  5. Step 5: Solve for x
    x = 36,613,125,666,344.83/5,620,414.80
  6. Step 6: Final answer
    x = 6,514,310.24

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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.