Home / 5,325,007.80-7,987,511.70-1,538,614.20

Finding the Fourth Proportional to 5,325,007.80, 7,987,511.70 and 1,538,614.20

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Solution

The fourth proportional to 5,325,007.80, 7,987,511.70 and 1,538,614.20 is: 2,307,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325,007.80 : 7,987,511.70 = 1,538,614.20 : x
  2. Step 2: Convert to fraction form
    5,325,007.80/7,987,511.70 = 1,538,614.20/x
  3. Step 3: Cross multiply
    5,325,007.80x = 7,987,511.70 × 1,538,614.20
  4. Step 4: Simplify right side
    5,325,007.80x = 12,289,698,924,286.14
  5. Step 5: Solve for x
    x = 12,289,698,924,286.14/5,325,007.80
  6. Step 6: Final answer
    x = 2,307,921.30

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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.