Home / 1,979,521.78-2,971,382.37-1,753,286.05

Finding the Fourth Proportional to 1,979,521.78, 2,971,382.37 and 1,753,286.05

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Solution

The fourth proportional to 1,979,521.78, 2,971,382.37 and 1,753,286.05 is: 2,631,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,521.78 : 2,971,382.37 = 1,753,286.05 : x
  2. Step 2: Convert to fraction form
    1,979,521.78/2,971,382.37 = 1,753,286.05/x
  3. Step 3: Cross multiply
    1,979,521.78x = 2,971,382.37 × 1,753,286.05
  4. Step 4: Simplify right side
    1,979,521.78x = 5,209,683,258,536.94
  5. Step 5: Solve for x
    x = 5,209,683,258,536.94/1,979,521.78
  6. Step 6: Final answer
    x = 2,631,788.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.