Home / 2,218,307.36-3,061,266.20-1,199,712.11

Finding the Fourth Proportional to 2,218,307.36, 3,061,266.20 and 1,199,712.11

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Solution

The fourth proportional to 2,218,307.36, 3,061,266.20 and 1,199,712.11 is: 1,655,603.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,307.36 : 3,061,266.20 = 1,199,712.11 : x
  2. Step 2: Convert to fraction form
    2,218,307.36/3,061,266.20 = 1,199,712.11/x
  3. Step 3: Cross multiply
    2,218,307.36x = 3,061,266.20 × 1,199,712.11
  4. Step 4: Simplify right side
    2,218,307.36x = 3,672,638,110,768.79
  5. Step 5: Solve for x
    x = 3,672,638,110,768.79/2,218,307.36
  6. Step 6: Final answer
    x = 1,655,603.81

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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.