Home / 2,342,995.07-3,510,480.67-1,278,783.86

Finding the Fourth Proportional to 2,342,995.07, 3,510,480.67 and 1,278,783.86

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Solution

The fourth proportional to 2,342,995.07, 3,510,480.67 and 1,278,783.86 is: 1,915,986.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342,995.07 : 3,510,480.67 = 1,278,783.86 : x
  2. Step 2: Convert to fraction form
    2,342,995.07/3,510,480.67 = 1,278,783.86/x
  3. Step 3: Cross multiply
    2,342,995.07x = 3,510,480.67 × 1,278,783.86
  4. Step 4: Simplify right side
    2,342,995.07x = 4,489,146,000,888.62
  5. Step 5: Solve for x
    x = 4,489,146,000,888.62/2,342,995.07
  6. Step 6: Final answer
    x = 1,915,986.11

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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.