Home / 3,173,839.88-4,382,888.30-2,209,606.72

Finding the Fourth Proportional to 3,173,839.88, 4,382,888.30 and 2,209,606.72

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Solution

The fourth proportional to 3,173,839.88, 4,382,888.30 and 2,209,606.72 is: 3,051,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173,839.88 : 4,382,888.30 = 2,209,606.72 : x
  2. Step 2: Convert to fraction form
    3,173,839.88/4,382,888.30 = 2,209,606.72/x
  3. Step 3: Cross multiply
    3,173,839.88x = 4,382,888.30 × 2,209,606.72
  4. Step 4: Simplify right side
    3,173,839.88x = 9,684,459,440,689.38
  5. Step 5: Solve for x
    x = 9,684,459,440,689.38/3,173,839.88
  6. Step 6: Final answer
    x = 3,051,338.38

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1.5x scale

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.