Home / 1,981,771.32-2,734,752.78-1,122,337.74

Finding the Fourth Proportional to 1,981,771.32, 2,734,752.78 and 1,122,337.74

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Solution

The fourth proportional to 1,981,771.32, 2,734,752.78 and 1,122,337.74 is: 1,548,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,771.32 : 2,734,752.78 = 1,122,337.74 : x
  2. Step 2: Convert to fraction form
    1,981,771.32/2,734,752.78 = 1,122,337.74/x
  3. Step 3: Cross multiply
    1,981,771.32x = 2,734,752.78 × 1,122,337.74
  4. Step 4: Simplify right side
    1,981,771.32x = 3,069,316,254,563.92
  5. Step 5: Solve for x
    x = 3,069,316,254,563.92/1,981,771.32
  6. Step 6: Final answer
    x = 1,548,774.18

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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.