Home / 1,988,075.04-2,982,990.48-1,542,665.76

Finding the Fourth Proportional to 1,988,075.04, 2,982,990.48 and 1,542,665.76

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Solution

The fourth proportional to 1,988,075.04, 2,982,990.48 and 1,542,665.76 is: 2,314,679.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,075.04 : 2,982,990.48 = 1,542,665.76 : x
  2. Step 2: Convert to fraction form
    1,988,075.04/2,982,990.48 = 1,542,665.76/x
  3. Step 3: Cross multiply
    1,988,075.04x = 2,982,990.48 × 1,542,665.76
  4. Step 4: Simplify right side
    1,988,075.04x = 4,601,757,275,901.97
  5. Step 5: Solve for x
    x = 4,601,757,275,901.97/1,988,075.04
  6. Step 6: Final answer
    x = 2,314,679.87

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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.