Home / 3,191,965.80-4,788,164.70-1,298,740.20

Finding the Fourth Proportional to 3,191,965.80, 4,788,164.70 and 1,298,740.20

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Solution

The fourth proportional to 3,191,965.80, 4,788,164.70 and 1,298,740.20 is: 1,948,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,965.80 : 4,788,164.70 = 1,298,740.20 : x
  2. Step 2: Convert to fraction form
    3,191,965.80/4,788,164.70 = 1,298,740.20/x
  3. Step 3: Cross multiply
    3,191,965.80x = 4,788,164.70 × 1,298,740.20
  4. Step 4: Simplify right side
    3,191,965.80x = 6,218,581,980,110.94
  5. Step 5: Solve for x
    x = 6,218,581,980,110.94/3,191,965.80
  6. Step 6: Final answer
    x = 1,948,198.19

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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.