Home / 2,071,178.03-2,857,648.21-1,335,821.15

Finding the Fourth Proportional to 2,071,178.03, 2,857,648.21 and 1,335,821.15

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Solution

The fourth proportional to 2,071,178.03, 2,857,648.21 and 1,335,821.15 is: 1,843,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,178.03 : 2,857,648.21 = 1,335,821.15 : x
  2. Step 2: Convert to fraction form
    2,071,178.03/2,857,648.21 = 1,335,821.15/x
  3. Step 3: Cross multiply
    2,071,178.03x = 2,857,648.21 × 1,335,821.15
  4. Step 4: Simplify right side
    2,071,178.03x = 3,817,306,921,982.21
  5. Step 5: Solve for x
    x = 3,817,306,921,982.21/2,071,178.03
  6. Step 6: Final answer
    x = 1,843,060.74

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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.