Home / 5,119,870.80-7,065,286.20-2,827,982.28

Finding the Fourth Proportional to 5,119,870.80, 7,065,286.20 and 2,827,982.28

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Solution

The fourth proportional to 5,119,870.80, 7,065,286.20 and 2,827,982.28 is: 3,902,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119,870.80 : 7,065,286.20 = 2,827,982.28 : x
  2. Step 2: Convert to fraction form
    5,119,870.80/7,065,286.20 = 2,827,982.28/x
  3. Step 3: Cross multiply
    5,119,870.80x = 7,065,286.20 × 2,827,982.28
  4. Step 4: Simplify right side
    5,119,870.80x = 19,980,504,176,728.54
  5. Step 5: Solve for x
    x = 19,980,504,176,728.54/5,119,870.80
  6. Step 6: Final answer
    x = 3,902,540.70

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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.