Home / 1,944,200.70-2,912,801.85-1,587,282.30

Finding the Fourth Proportional to 1,944,200.70, 2,912,801.85 and 1,587,282.30

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Solution

The fourth proportional to 1,944,200.70, 2,912,801.85 and 1,587,282.30 is: 2,378,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944,200.70 : 2,912,801.85 = 1,587,282.30 : x
  2. Step 2: Convert to fraction form
    1,944,200.70/2,912,801.85 = 1,587,282.30/x
  3. Step 3: Cross multiply
    1,944,200.70x = 2,912,801.85 × 1,587,282.30
  4. Step 4: Simplify right side
    1,944,200.70x = 4,623,438,819,912.26
  5. Step 5: Solve for x
    x = 4,623,438,819,912.26/1,944,200.70
  6. Step 6: Final answer
    x = 2,378,066.64

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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.