Home / 5,036,939.72-7,557,635.46-2,640,211.28

Finding the Fourth Proportional to 5,036,939.72, 7,557,635.46 and 2,640,211.28

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Solution

The fourth proportional to 5,036,939.72, 7,557,635.46 and 2,640,211.28 is: 3,961,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036,939.72 : 7,557,635.46 = 2,640,211.28 : x
  2. Step 2: Convert to fraction form
    5,036,939.72/7,557,635.46 = 2,640,211.28/x
  3. Step 3: Cross multiply
    5,036,939.72x = 7,557,635.46 × 2,640,211.28
  4. Step 4: Simplify right side
    5,036,939.72x = 19,953,754,391,619.99
  5. Step 5: Solve for x
    x = 19,953,754,391,619.99/5,036,939.72
  6. Step 6: Final answer
    x = 3,961,483.66

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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.