Home / 5,274,195.12-7,908,675.57-1,679,493.69

Finding the Fourth Proportional to 5,274,195.12, 7,908,675.57 and 1,679,493.69

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Solution

The fourth proportional to 5,274,195.12, 7,908,675.57 and 1,679,493.69 is: 2,518,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274,195.12 : 7,908,675.57 = 1,679,493.69 : x
  2. Step 2: Convert to fraction form
    5,274,195.12/7,908,675.57 = 1,679,493.69/x
  3. Step 3: Cross multiply
    5,274,195.12x = 7,908,675.57 × 1,679,493.69
  4. Step 4: Simplify right side
    5,274,195.12x = 13,282,570,716,072.15
  5. Step 5: Solve for x
    x = 13,282,570,716,072.15/5,274,195.12
  6. Step 6: Final answer
    x = 2,518,407.15

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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.