Home / 1,965,168.21-2,711,985.12-1,105,759.02

Finding the Fourth Proportional to 1,965,168.21, 2,711,985.12 and 1,105,759.02

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Solution

The fourth proportional to 1,965,168.21, 2,711,985.12 and 1,105,759.02 is: 1,525,977.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,168.21 : 2,711,985.12 = 1,105,759.02 : x
  2. Step 2: Convert to fraction form
    1,965,168.21/2,711,985.12 = 1,105,759.02/x
  3. Step 3: Cross multiply
    1,965,168.21x = 2,711,985.12 × 1,105,759.02
  4. Step 4: Simplify right side
    1,965,168.21x = 2,998,802,008,545.78
  5. Step 5: Solve for x
    x = 2,998,802,008,545.78/1,965,168.21
  6. Step 6: Final answer
    x = 1,525,977.26

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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.