Home / 5,387,118.11-7,434,381.01-2,939,887.18

Finding the Fourth Proportional to 5,387,118.11, 7,434,381.01 and 2,939,887.18

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Solution

The fourth proportional to 5,387,118.11, 7,434,381.01 and 2,939,887.18 is: 4,057,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,118.11 : 7,434,381.01 = 2,939,887.18 : x
  2. Step 2: Convert to fraction form
    5,387,118.11/7,434,381.01 = 2,939,887.18/x
  3. Step 3: Cross multiply
    5,387,118.11x = 7,434,381.01 × 2,939,887.18
  4. Step 4: Simplify right side
    5,387,118.11x = 21,856,241,422,534.45
  5. Step 5: Solve for x
    x = 21,856,241,422,534.45/5,387,118.11
  6. Step 6: Final answer
    x = 4,057,130.54

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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.