Home / 2,406,676.59-3,321,218.40-1,318,988.54

Finding the Fourth Proportional to 2,406,676.59, 3,321,218.40 and 1,318,988.54

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Solution

The fourth proportional to 2,406,676.59, 3,321,218.40 and 1,318,988.54 is: 1,820,206.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406,676.59 : 3,321,218.40 = 1,318,988.54 : x
  2. Step 2: Convert to fraction form
    2,406,676.59/3,321,218.40 = 1,318,988.54/x
  3. Step 3: Cross multiply
    2,406,676.59x = 3,321,218.40 × 1,318,988.54
  4. Step 4: Simplify right side
    2,406,676.59x = 4,380,649,011,793.98
  5. Step 5: Solve for x
    x = 4,380,649,011,793.98/2,406,676.59
  6. Step 6: Final answer
    x = 1,820,206.77

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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.