Home / 2,958,316.12-4,438,139.20-936,680.86

Finding the Fourth Proportional to 2,958,316.12, 4,438,139.20 and 936,680.86

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Solution

The fourth proportional to 2,958,316.12, 4,438,139.20 and 936,680.86 is: 1,405,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958,316.12 : 4,438,139.20 = 936,680.86 : x
  2. Step 2: Convert to fraction form
    2,958,316.12/4,438,139.20 = 936,680.86/x
  3. Step 3: Cross multiply
    2,958,316.12x = 4,438,139.20 × 936,680.86
  4. Step 4: Simplify right side
    2,958,316.12x = 4,157,120,042,655.71
  5. Step 5: Solve for x
    x = 4,157,120,042,655.71/2,958,316.12
  6. Step 6: Final answer
    x = 1,405,231.85

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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.