Home / 5,125,404.72-7,688,181.60-1,338,888

Finding the Fourth Proportional to 5,125,404.72, 7,688,181.60 and 1,338,888

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Solution

The fourth proportional to 5,125,404.72, 7,688,181.60 and 1,338,888 is: 2,008,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125,404.72 : 7,688,181.60 = 1,338,888 : x
  2. Step 2: Convert to fraction form
    5,125,404.72/7,688,181.60 = 1,338,888/x
  3. Step 3: Cross multiply
    5,125,404.72x = 7,688,181.60 × 1,338,888
  4. Step 4: Simplify right side
    5,125,404.72x = 10,293,614,086,060.80
  5. Step 5: Solve for x
    x = 10,293,614,086,060.80/5,125,404.72
  6. Step 6: Final answer
    x = 2,008,351.47

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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.