Home / 2,406,412.80-3,609,619.20-809,222.40

Finding the Fourth Proportional to 2,406,412.80, 3,609,619.20 and 809,222.40

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Solution

The fourth proportional to 2,406,412.80, 3,609,619.20 and 809,222.40 is: 1,213,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406,412.80 : 3,609,619.20 = 809,222.40 : x
  2. Step 2: Convert to fraction form
    2,406,412.80/3,609,619.20 = 809,222.40/x
  3. Step 3: Cross multiply
    2,406,412.80x = 3,609,619.20 × 809,222.40
  4. Step 4: Simplify right side
    2,406,412.80x = 2,920,984,712,110.08
  5. Step 5: Solve for x
    x = 2,920,984,712,110.08/2,406,412.80
  6. Step 6: Final answer
    x = 1,213,833.60

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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.