Home / 6,948,204.12-10,421,805.60-2,155,770

Finding the Fourth Proportional to 6,948,204.12, 10,421,805.60 and 2,155,770

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Solution

The fourth proportional to 6,948,204.12, 10,421,805.60 and 2,155,770 is: 3,233,499.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,948,204.12 : 10,421,805.60 = 2,155,770 : x
  2. Step 2: Convert to fraction form
    6,948,204.12/10,421,805.60 = 2,155,770/x
  3. Step 3: Cross multiply
    6,948,204.12x = 10,421,805.60 × 2,155,770
  4. Step 4: Simplify right side
    6,948,204.12x = 22,467,015,858,312
  5. Step 5: Solve for x
    x = 22,467,015,858,312/6,948,204.12
  6. Step 6: Final answer
    x = 3,233,499.69

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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.