Home / 3,145,249.71-4,709,870.15-2,078,693.55

Finding the Fourth Proportional to 3,145,249.71, 4,709,870.15 and 2,078,693.55

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Solution

The fourth proportional to 3,145,249.71, 4,709,870.15 and 2,078,693.55 is: 3,112,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,249.71 : 4,709,870.15 = 2,078,693.55 : x
  2. Step 2: Convert to fraction form
    3,145,249.71/4,709,870.15 = 2,078,693.55/x
  3. Step 3: Cross multiply
    3,145,249.71x = 4,709,870.15 × 2,078,693.55
  4. Step 4: Simplify right side
    3,145,249.71x = 9,790,376,691,749.07
  5. Step 5: Solve for x
    x = 9,790,376,691,749.07/3,145,249.71
  6. Step 6: Final answer
    x = 3,112,750.21

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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.