Home / 2,154,209.80-3,231,314.70-1,314,401.80

Finding the Fourth Proportional to 2,154,209.80, 3,231,314.70 and 1,314,401.80

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Solution

The fourth proportional to 2,154,209.80, 3,231,314.70 and 1,314,401.80 is: 1,971,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,209.80 : 3,231,314.70 = 1,314,401.80 : x
  2. Step 2: Convert to fraction form
    2,154,209.80/3,231,314.70 = 1,314,401.80/x
  3. Step 3: Cross multiply
    2,154,209.80x = 3,231,314.70 × 1,314,401.80
  4. Step 4: Simplify right side
    2,154,209.80x = 4,247,245,858,046.46
  5. Step 5: Solve for x
    x = 4,247,245,858,046.46/2,154,209.80
  6. Step 6: Final answer
    x = 1,971,602.70

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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.