Home / 2,890,359-3,988,404.78-1,600,958.52

Finding the Fourth Proportional to 2,890,359, 3,988,404.78 and 1,600,958.52

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Solution

The fourth proportional to 2,890,359, 3,988,404.78 and 1,600,958.52 is: 2,209,161.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,359 : 3,988,404.78 = 1,600,958.52 : x
  2. Step 2: Convert to fraction form
    2,890,359/3,988,404.78 = 1,600,958.52/x
  3. Step 3: Cross multiply
    2,890,359x = 3,988,404.78 × 1,600,958.52
  4. Step 4: Simplify right side
    2,890,359x = 6,385,270,613,749.73
  5. Step 5: Solve for x
    x = 6,385,270,613,749.73/2,890,359
  6. Step 6: Final answer
    x = 2,209,161.77

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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.