Home / 2,406,308.40-3,609,462.60-987,382.80

Finding the Fourth Proportional to 2,406,308.40, 3,609,462.60 and 987,382.80

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Solution

The fourth proportional to 2,406,308.40, 3,609,462.60 and 987,382.80 is: 1,481,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406,308.40 : 3,609,462.60 = 987,382.80 : x
  2. Step 2: Convert to fraction form
    2,406,308.40/3,609,462.60 = 987,382.80/x
  3. Step 3: Cross multiply
    2,406,308.40x = 3,609,462.60 × 987,382.80
  4. Step 4: Simplify right side
    2,406,308.40x = 3,563,921,288,483.28
  5. Step 5: Solve for x
    x = 3,563,921,288,483.28/2,406,308.40
  6. Step 6: Final answer
    x = 1,481,074.20

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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.