Home / 2,145,578.22-3,215,374.79-1,612,475.10

Finding the Fourth Proportional to 2,145,578.22, 3,215,374.79 and 1,612,475.10

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Solution

The fourth proportional to 2,145,578.22, 3,215,374.79 and 1,612,475.10 is: 2,416,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,578.22 : 3,215,374.79 = 1,612,475.10 : x
  2. Step 2: Convert to fraction form
    2,145,578.22/3,215,374.79 = 1,612,475.10/x
  3. Step 3: Cross multiply
    2,145,578.22x = 3,215,374.79 × 1,612,475.10
  4. Step 4: Simplify right side
    2,145,578.22x = 5,184,711,777,980.35
  5. Step 5: Solve for x
    x = 5,184,711,777,980.35/2,145,578.22
  6. Step 6: Final answer
    x = 2,416,463.65

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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.