Home / 5,105,316.12-7,045,337.43-2,782,209.29

Finding the Fourth Proportional to 5,105,316.12, 7,045,337.43 and 2,782,209.29

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Solution

The fourth proportional to 5,105,316.12, 7,045,337.43 and 2,782,209.29 is: 3,839,449.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,316.12 : 7,045,337.43 = 2,782,209.29 : x
  2. Step 2: Convert to fraction form
    5,105,316.12/7,045,337.43 = 2,782,209.29/x
  3. Step 3: Cross multiply
    5,105,316.12x = 7,045,337.43 × 2,782,209.29
  4. Step 4: Simplify right side
    5,105,316.12x = 19,601,603,213,704.04
  5. Step 5: Solve for x
    x = 19,601,603,213,704.04/5,105,316.12
  6. Step 6: Final answer
    x = 3,839,449.46

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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.