Home / 3,778,531.38-5,214,176.55-2,146,712.25

Finding the Fourth Proportional to 3,778,531.38, 5,214,176.55 and 2,146,712.25

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Solution

The fourth proportional to 3,778,531.38, 5,214,176.55 and 2,146,712.25 is: 2,962,351.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,531.38 : 5,214,176.55 = 2,146,712.25 : x
  2. Step 2: Convert to fraction form
    3,778,531.38/5,214,176.55 = 2,146,712.25/x
  3. Step 3: Cross multiply
    3,778,531.38x = 5,214,176.55 × 2,146,712.25
  4. Step 4: Simplify right side
    3,778,531.38x = 11,193,336,673,547.74
  5. Step 5: Solve for x
    x = 11,193,336,673,547.74/3,778,531.38
  6. Step 6: Final answer
    x = 2,962,351.12

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.