Home / 3,807,999.20-5,711,998.80-1,676,986.40

Finding the Fourth Proportional to 3,807,999.20, 5,711,998.80 and 1,676,986.40

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Solution

The fourth proportional to 3,807,999.20, 5,711,998.80 and 1,676,986.40 is: 2,515,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807,999.20 : 5,711,998.80 = 1,676,986.40 : x
  2. Step 2: Convert to fraction form
    3,807,999.20/5,711,998.80 = 1,676,986.40/x
  3. Step 3: Cross multiply
    3,807,999.20x = 5,711,998.80 × 1,676,986.40
  4. Step 4: Simplify right side
    3,807,999.20x = 9,578,944,304,416.32
  5. Step 5: Solve for x
    x = 9,578,944,304,416.32/3,807,999.20
  6. Step 6: Final answer
    x = 2,515,479.60

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Similar ratio
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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.