Home / 6,078,732.66-8,391,146.75-4,121,291.72

Finding the Fourth Proportional to 6,078,732.66, 8,391,146.75 and 4,121,291.72

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Solution

The fourth proportional to 6,078,732.66, 8,391,146.75 and 4,121,291.72 is: 5,689,074.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078,732.66 : 8,391,146.75 = 4,121,291.72 : x
  2. Step 2: Convert to fraction form
    6,078,732.66/8,391,146.75 = 4,121,291.72/x
  3. Step 3: Cross multiply
    6,078,732.66x = 8,391,146.75 × 4,121,291.72
  4. Step 4: Simplify right side
    6,078,732.66x = 34,582,363,590,984.52
  5. Step 5: Solve for x
    x = 34,582,363,590,984.52/6,078,732.66
  6. Step 6: Final answer
    x = 5,689,074.61

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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.