Home / 2,191,441.62-3,024,131.28-1,224,579.84

Finding the Fourth Proportional to 2,191,441.62, 3,024,131.28 and 1,224,579.84

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Solution

The fourth proportional to 2,191,441.62, 3,024,131.28 and 1,224,579.84 is: 1,689,887.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,441.62 : 3,024,131.28 = 1,224,579.84 : x
  2. Step 2: Convert to fraction form
    2,191,441.62/3,024,131.28 = 1,224,579.84/x
  3. Step 3: Cross multiply
    2,191,441.62x = 3,024,131.28 × 1,224,579.84
  4. Step 4: Simplify right side
    2,191,441.62x = 3,703,290,199,001.40
  5. Step 5: Solve for x
    x = 3,703,290,199,001.40/2,191,441.62
  6. Step 6: Final answer
    x = 1,689,887.68

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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.