Home / 2,758,376.21-4,137,522.78-1,240,987.61

Finding the Fourth Proportional to 2,758,376.21, 4,137,522.78 and 1,240,987.61

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Solution

The fourth proportional to 2,758,376.21, 4,137,522.78 and 1,240,987.61 is: 1,861,462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,376.21 : 4,137,522.78 = 1,240,987.61 : x
  2. Step 2: Convert to fraction form
    2,758,376.21/4,137,522.78 = 1,240,987.61/x
  3. Step 3: Cross multiply
    2,758,376.21x = 4,137,522.78 × 1,240,987.61
  4. Step 4: Simplify right side
    2,758,376.21x = 5,134,614,506,072.76
  5. Step 5: Solve for x
    x = 5,134,614,506,072.76/2,758,376.21
  6. Step 6: Final answer
    x = 1,861,462.73

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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.