Home / 5,181,330.05-7,771,995.08-1,815,099.65

Finding the Fourth Proportional to 5,181,330.05, 7,771,995.08 and 1,815,099.65

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Solution

The fourth proportional to 5,181,330.05, 7,771,995.08 and 1,815,099.65 is: 2,722,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,330.05 : 7,771,995.08 = 1,815,099.65 : x
  2. Step 2: Convert to fraction form
    5,181,330.05/7,771,995.08 = 1,815,099.65/x
  3. Step 3: Cross multiply
    5,181,330.05x = 7,771,995.08 × 1,815,099.65
  4. Step 4: Simplify right side
    5,181,330.05x = 14,106,945,540,434.22
  5. Step 5: Solve for x
    x = 14,106,945,540,434.22/5,181,330.05
  6. Step 6: Final answer
    x = 2,722,649.48

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Double scale
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Similar ratio
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1.5x scale

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.