Home / 1,979,521.30-2,971,381.60-1,753,285.56

Finding the Fourth Proportional to 1,979,521.30, 2,971,381.60 and 1,753,285.56

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Solution

The fourth proportional to 1,979,521.30, 2,971,381.60 and 1,753,285.56 is: 2,631,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,521.30 : 2,971,381.60 = 1,753,285.56 : x
  2. Step 2: Convert to fraction form
    1,979,521.30/2,971,381.60 = 1,753,285.56/x
  3. Step 3: Cross multiply
    1,979,521.30x = 2,971,381.60 × 1,753,285.56
  4. Step 4: Simplify right side
    1,979,521.30x = 5,209,680,452,529.70
  5. Step 5: Solve for x
    x = 5,209,680,452,529.70/1,979,521.30
  6. Step 6: Final answer
    x = 2,631,788.02

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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.