Home / 3,913,019.12-5,397,678.60-2,460,414.80

Finding the Fourth Proportional to 3,913,019.12, 5,397,678.60 and 2,460,414.80

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Solution

The fourth proportional to 3,913,019.12, 5,397,678.60 and 2,460,414.80 is: 3,393,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,019.12 : 5,397,678.60 = 2,460,414.80 : x
  2. Step 2: Convert to fraction form
    3,913,019.12/5,397,678.60 = 2,460,414.80/x
  3. Step 3: Cross multiply
    3,913,019.12x = 5,397,678.60 × 2,460,414.80
  4. Step 4: Simplify right side
    3,913,019.12x = 13,280,528,313,083.28
  5. Step 5: Solve for x
    x = 13,280,528,313,083.28/3,913,019.12
  6. Step 6: Final answer
    x = 3,393,933.92

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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.