Home / 2,778,748.81-4,167,540.01-783,738.25

Finding the Fourth Proportional to 2,778,748.81, 4,167,540.01 and 783,738.25

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Solution

The fourth proportional to 2,778,748.81, 4,167,540.01 and 783,738.25 is: 1,175,442.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,748.81 : 4,167,540.01 = 783,738.25 : x
  2. Step 2: Convert to fraction form
    2,778,748.81/4,167,540.01 = 783,738.25/x
  3. Step 3: Cross multiply
    2,778,748.81x = 4,167,540.01 × 783,738.25
  4. Step 4: Simplify right side
    2,778,748.81x = 3,266,260,514,242.38
  5. Step 5: Solve for x
    x = 3,266,260,514,242.38/2,778,748.81
  6. Step 6: Final answer
    x = 1,175,442.88

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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.