Home / 2,112,861.16-3,169,343.58-692,859.88

Finding the Fourth Proportional to 2,112,861.16, 3,169,343.58 and 692,859.88

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Solution

The fourth proportional to 2,112,861.16, 3,169,343.58 and 692,859.88 is: 1,039,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,861.16 : 3,169,343.58 = 692,859.88 : x
  2. Step 2: Convert to fraction form
    2,112,861.16/3,169,343.58 = 692,859.88/x
  3. Step 3: Cross multiply
    2,112,861.16x = 3,169,343.58 × 692,859.88
  4. Step 4: Simplify right side
    2,112,861.16x = 2,195,911,012,517.57
  5. Step 5: Solve for x
    x = 2,195,911,012,517.57/2,112,861.16
  6. Step 6: Final answer
    x = 1,039,306.82

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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.