Home / 5,678,649.39-8,517,992.28-1,418,818.08

Finding the Fourth Proportional to 5,678,649.39, 8,517,992.28 and 1,418,818.08

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Solution

The fourth proportional to 5,678,649.39, 8,517,992.28 and 1,418,818.08 is: 2,128,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,649.39 : 8,517,992.28 = 1,418,818.08 : x
  2. Step 2: Convert to fraction form
    5,678,649.39/8,517,992.28 = 1,418,818.08/x
  3. Step 3: Cross multiply
    5,678,649.39x = 8,517,992.28 × 1,418,818.08
  4. Step 4: Simplify right side
    5,678,649.39x = 12,085,481,452,164.42
  5. Step 5: Solve for x
    x = 12,085,481,452,164.42/5,678,649.39
  6. Step 6: Final answer
    x = 2,128,231.67

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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.