Home / 3,561,079.29-4,914,282.54-1,929,530.81

Finding the Fourth Proportional to 3,561,079.29, 4,914,282.54 and 1,929,530.81

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Solution

The fourth proportional to 3,561,079.29, 4,914,282.54 and 1,929,530.81 is: 2,662,748.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561,079.29 : 4,914,282.54 = 1,929,530.81 : x
  2. Step 2: Convert to fraction form
    3,561,079.29/4,914,282.54 = 1,929,530.81/x
  3. Step 3: Cross multiply
    3,561,079.29x = 4,914,282.54 × 1,929,530.81
  4. Step 4: Simplify right side
    3,561,079.29x = 9,482,259,569,975.06
  5. Step 5: Solve for x
    x = 9,482,259,569,975.06/3,561,079.29
  6. Step 6: Final answer
    x = 2,662,748.79

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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.