Home / 3,486,815.40-4,807,182.69-2,864,282.13

Finding the Fourth Proportional to 3,486,815.40, 4,807,182.69 and 2,864,282.13

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Solution

The fourth proportional to 3,486,815.40, 4,807,182.69 and 2,864,282.13 is: 3,948,912.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486,815.40 : 4,807,182.69 = 2,864,282.13 : x
  2. Step 2: Convert to fraction form
    3,486,815.40/4,807,182.69 = 2,864,282.13/x
  3. Step 3: Cross multiply
    3,486,815.40x = 4,807,182.69 × 2,864,282.13
  4. Step 4: Simplify right side
    3,486,815.40x = 13,769,127,474,612.33
  5. Step 5: Solve for x
    x = 13,769,127,474,612.33/3,486,815.40
  6. Step 6: Final answer
    x = 3,948,912.09

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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.