Home / 5,178,822.39-7,768,258.16-1,584,583.61

Finding the Fourth Proportional to 5,178,822.39, 7,768,258.16 and 1,584,583.61

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Solution

The fourth proportional to 5,178,822.39, 7,768,258.16 and 1,584,583.61 is: 2,376,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,822.39 : 7,768,258.16 = 1,584,583.61 : x
  2. Step 2: Convert to fraction form
    5,178,822.39/7,768,258.16 = 1,584,583.61/x
  3. Step 3: Cross multiply
    5,178,822.39x = 7,768,258.16 × 1,584,583.61
  4. Step 4: Simplify right side
    5,178,822.39x = 12,309,454,511,820.55
  5. Step 5: Solve for x
    x = 12,309,454,511,820.55/5,178,822.39
  6. Step 6: Final answer
    x = 2,376,882.93

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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.