Home / 5,214,882-7,196,552.88-2,891,938.08

Finding the Fourth Proportional to 5,214,882, 7,196,552.88 and 2,891,938.08

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Solution

The fourth proportional to 5,214,882, 7,196,552.88 and 2,891,938.08 is: 3,990,883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,882 : 7,196,552.88 = 2,891,938.08 : x
  2. Step 2: Convert to fraction form
    5,214,882/7,196,552.88 = 2,891,938.08/x
  3. Step 3: Cross multiply
    5,214,882x = 7,196,552.88 × 2,891,938.08
  4. Step 4: Simplify right side
    5,214,882x = 20,811,985,318,405.67
  5. Step 5: Solve for x
    x = 20,811,985,318,405.67/5,214,882
  6. Step 6: Final answer
    x = 3,990,883.27

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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.