Home / 3,852,768.80-5,320,394.88-2,884,217.60

Finding the Fourth Proportional to 3,852,768.80, 5,320,394.88 and 2,884,217.60

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Solution

The fourth proportional to 3,852,768.80, 5,320,394.88 and 2,884,217.60 is: 3,982,895.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852,768.80 : 5,320,394.88 = 2,884,217.60 : x
  2. Step 2: Convert to fraction form
    3,852,768.80/5,320,394.88 = 2,884,217.60/x
  3. Step 3: Cross multiply
    3,852,768.80x = 5,320,394.88 × 2,884,217.60
  4. Step 4: Simplify right side
    3,852,768.80x = 15,345,176,551,845.89
  5. Step 5: Solve for x
    x = 15,345,176,551,845.89/3,852,768.80
  6. Step 6: Final answer
    x = 3,982,895.77

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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.