Home / 2,218,313.36-3,061,274.48-1,199,718.12

Finding the Fourth Proportional to 2,218,313.36, 3,061,274.48 and 1,199,718.12

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Solution

The fourth proportional to 2,218,313.36, 3,061,274.48 and 1,199,718.12 is: 1,655,612.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,313.36 : 3,061,274.48 = 1,199,718.12 : x
  2. Step 2: Convert to fraction form
    2,218,313.36/3,061,274.48 = 1,199,718.12/x
  3. Step 3: Cross multiply
    2,218,313.36x = 3,061,274.48 × 1,199,718.12
  4. Step 4: Simplify right side
    2,218,313.36x = 3,672,666,463,949.58
  5. Step 5: Solve for x
    x = 3,672,666,463,949.58/2,218,313.36
  6. Step 6: Final answer
    x = 1,655,612.11

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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.