Home / 2,406,412.40-3,609,618.60-987,486.80

Finding the Fourth Proportional to 2,406,412.40, 3,609,618.60 and 987,486.80

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Solution

The fourth proportional to 2,406,412.40, 3,609,618.60 and 987,486.80 is: 1,481,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406,412.40 : 3,609,618.60 = 987,486.80 : x
  2. Step 2: Convert to fraction form
    2,406,412.40/3,609,618.60 = 987,486.80/x
  3. Step 3: Cross multiply
    2,406,412.40x = 3,609,618.60 × 987,486.80
  4. Step 4: Simplify right side
    2,406,412.40x = 3,564,450,720,534.48
  5. Step 5: Solve for x
    x = 3,564,450,720,534.48/2,406,412.40
  6. Step 6: Final answer
    x = 1,481,230.20

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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.