Home / 1,987,588.80-2,982,867.12-1,476,434.25

Finding the Fourth Proportional to 1,987,588.80, 2,982,867.12 and 1,476,434.25

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Solution

The fourth proportional to 1,987,588.80, 2,982,867.12 and 1,476,434.25 is: 2,215,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,588.80 : 2,982,867.12 = 1,476,434.25 : x
  2. Step 2: Convert to fraction form
    1,987,588.80/2,982,867.12 = 1,476,434.25/x
  3. Step 3: Cross multiply
    1,987,588.80x = 2,982,867.12 × 1,476,434.25
  4. Step 4: Simplify right side
    1,987,588.80x = 4,404,007,179,166.86
  5. Step 5: Solve for x
    x = 4,404,007,179,166.86/1,987,588.80
  6. Step 6: Final answer
    x = 2,215,753.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.