Home / 2,772,068.70-4,158,103.05-1,279,076.70

Finding the Fourth Proportional to 2,772,068.70, 4,158,103.05 and 1,279,076.70

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Solution

The fourth proportional to 2,772,068.70, 4,158,103.05 and 1,279,076.70 is: 1,918,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,068.70 : 4,158,103.05 = 1,279,076.70 : x
  2. Step 2: Convert to fraction form
    2,772,068.70/4,158,103.05 = 1,279,076.70/x
  3. Step 3: Cross multiply
    2,772,068.70x = 4,158,103.05 × 1,279,076.70
  4. Step 4: Simplify right side
    2,772,068.70x = 5,318,532,727,453.93
  5. Step 5: Solve for x
    x = 5,318,532,727,453.93/2,772,068.70
  6. Step 6: Final answer
    x = 1,918,615.05

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Similar ratio
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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.