Home / 2,073,019.80-3,109,529.70-1,905,058.20

Finding the Fourth Proportional to 2,073,019.80, 3,109,529.70 and 1,905,058.20

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Solution

The fourth proportional to 2,073,019.80, 3,109,529.70 and 1,905,058.20 is: 2,857,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073,019.80 : 3,109,529.70 = 1,905,058.20 : x
  2. Step 2: Convert to fraction form
    2,073,019.80/3,109,529.70 = 1,905,058.20/x
  3. Step 3: Cross multiply
    2,073,019.80x = 3,109,529.70 × 1,905,058.20
  4. Step 4: Simplify right side
    2,073,019.80x = 5,923,835,053,128.54
  5. Step 5: Solve for x
    x = 5,923,835,053,128.54/2,073,019.80
  6. Step 6: Final answer
    x = 2,857,587.30

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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.