Home / 2,615,987.86-3,923,728.09-794,368.62

Finding the Fourth Proportional to 2,615,987.86, 3,923,728.09 and 794,368.62

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Solution

The fourth proportional to 2,615,987.86, 3,923,728.09 and 794,368.62 is: 1,191,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615,987.86 : 3,923,728.09 = 794,368.62 : x
  2. Step 2: Convert to fraction form
    2,615,987.86/3,923,728.09 = 794,368.62/x
  3. Step 3: Cross multiply
    2,615,987.86x = 3,923,728.09 × 794,368.62
  4. Step 4: Simplify right side
    2,615,987.86x = 3,116,886,466,122.61
  5. Step 5: Solve for x
    x = 3,116,886,466,122.61/2,615,987.86
  6. Step 6: Final answer
    x = 1,191,475.89

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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.