Home / 5,375,995.72-7,418,870.81-2,961,547.72

Finding the Fourth Proportional to 5,375,995.72, 7,418,870.81 and 2,961,547.72

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Solution

The fourth proportional to 5,375,995.72, 7,418,870.81 and 2,961,547.72 is: 4,086,934.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375,995.72 : 7,418,870.81 = 2,961,547.72 : x
  2. Step 2: Convert to fraction form
    5,375,995.72/7,418,870.81 = 2,961,547.72/x
  3. Step 3: Cross multiply
    5,375,995.72x = 7,418,870.81 × 2,961,547.72
  4. Step 4: Simplify right side
    5,375,995.72x = 21,971,339,895,235.70
  5. Step 5: Solve for x
    x = 21,971,339,895,235.70/5,375,995.72
  6. Step 6: Final answer
    x = 4,086,934.04

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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.