Home / 3,565,081.76-4,920,441.80-2,115,576.43

Finding the Fourth Proportional to 3,565,081.76, 4,920,441.80 and 2,115,576.43

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Solution

The fourth proportional to 3,565,081.76, 4,920,441.80 and 2,115,576.43 is: 2,919,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565,081.76 : 4,920,441.80 = 2,115,576.43 : x
  2. Step 2: Convert to fraction form
    3,565,081.76/4,920,441.80 = 2,115,576.43/x
  3. Step 3: Cross multiply
    3,565,081.76x = 4,920,441.80 × 2,115,576.43
  4. Step 4: Simplify right side
    3,565,081.76x = 10,409,570,674,387.79
  5. Step 5: Solve for x
    x = 10,409,570,674,387.79/3,565,081.76
  6. Step 6: Final answer
    x = 2,919,868.71

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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.