Home / 1,981,732.25-2,734,698.98-1,122,298.67

Finding the Fourth Proportional to 1,981,732.25, 2,734,698.98 and 1,122,298.67

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Solution

The fourth proportional to 1,981,732.25, 2,734,698.98 and 1,122,298.67 is: 1,548,720.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,732.25 : 2,734,698.98 = 1,122,298.67 : x
  2. Step 2: Convert to fraction form
    1,981,732.25/2,734,698.98 = 1,122,298.67/x
  3. Step 3: Cross multiply
    1,981,732.25x = 2,734,698.98 × 1,122,298.67
  4. Step 4: Simplify right side
    1,981,732.25x = 3,069,149,037,746.85
  5. Step 5: Solve for x
    x = 3,069,149,037,746.85/1,981,732.25
  6. Step 6: Final answer
    x = 1,548,720.33

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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.