Home / 2,167,492.80-3,251,239.20-1,317,187.20

Finding the Fourth Proportional to 2,167,492.80, 3,251,239.20 and 1,317,187.20

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Solution

The fourth proportional to 2,167,492.80, 3,251,239.20 and 1,317,187.20 is: 1,975,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,492.80 : 3,251,239.20 = 1,317,187.20 : x
  2. Step 2: Convert to fraction form
    2,167,492.80/3,251,239.20 = 1,317,187.20/x
  3. Step 3: Cross multiply
    2,167,492.80x = 3,251,239.20 × 1,317,187.20
  4. Step 4: Simplify right side
    2,167,492.80x = 4,282,490,658,378.24
  5. Step 5: Solve for x
    x = 4,282,490,658,378.24/2,167,492.80
  6. Step 6: Final answer
    x = 1,975,780.80

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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.