Home / 3,405,789.86-4,701,128.93-2,029,565.13

Finding the Fourth Proportional to 3,405,789.86, 4,701,128.93 and 2,029,565.13

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Solution

The fourth proportional to 3,405,789.86, 4,701,128.93 and 2,029,565.13 is: 2,801,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,789.86 : 4,701,128.93 = 2,029,565.13 : x
  2. Step 2: Convert to fraction form
    3,405,789.86/4,701,128.93 = 2,029,565.13/x
  3. Step 3: Cross multiply
    3,405,789.86x = 4,701,128.93 × 2,029,565.13
  4. Step 4: Simplify right side
    3,405,789.86x = 9,541,247,367,461.80
  5. Step 5: Solve for x
    x = 9,541,247,367,461.80/3,405,789.86
  6. Step 6: Final answer
    x = 2,801,478.59

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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.