Home / 5,438,929.83-7,505,727.01-2,991,727.06

Finding the Fourth Proportional to 5,438,929.83, 7,505,727.01 and 2,991,727.06

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Solution

The fourth proportional to 5,438,929.83, 7,505,727.01 and 2,991,727.06 is: 4,128,585.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,929.83 : 7,505,727.01 = 2,991,727.06 : x
  2. Step 2: Convert to fraction form
    5,438,929.83/7,505,727.01 = 2,991,727.06/x
  3. Step 3: Cross multiply
    5,438,929.83x = 7,505,727.01 × 2,991,727.06
  4. Step 4: Simplify right side
    5,438,929.83x = 22,455,086,600,789.89
  5. Step 5: Solve for x
    x = 22,455,086,600,789.89/5,438,929.83
  6. Step 6: Final answer
    x = 4,128,585.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.