Home / 2,758,374.21-4,137,519.78-1,240,985.61

Finding the Fourth Proportional to 2,758,374.21, 4,137,519.78 and 1,240,985.61

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Solution

The fourth proportional to 2,758,374.21, 4,137,519.78 and 1,240,985.61 is: 1,861,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,374.21 : 4,137,519.78 = 1,240,985.61 : x
  2. Step 2: Convert to fraction form
    2,758,374.21/4,137,519.78 = 1,240,985.61/x
  3. Step 3: Cross multiply
    2,758,374.21x = 4,137,519.78 × 1,240,985.61
  4. Step 4: Simplify right side
    2,758,374.21x = 5,134,602,508,070.37
  5. Step 5: Solve for x
    x = 5,134,602,508,070.37/2,758,374.21
  6. Step 6: Final answer
    x = 1,861,459.73

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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.