Home / 2,890,758.30-3,989,278.56-1,601,619

Finding the Fourth Proportional to 2,890,758.30, 3,989,278.56 and 1,601,619

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Solution

The fourth proportional to 2,890,758.30, 3,989,278.56 and 1,601,619 is: 2,210,252.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,758.30 : 3,989,278.56 = 1,601,619 : x
  2. Step 2: Convert to fraction form
    2,890,758.30/3,989,278.56 = 1,601,619/x
  3. Step 3: Cross multiply
    2,890,758.30x = 3,989,278.56 × 1,601,619
  4. Step 4: Simplify right side
    2,890,758.30x = 6,389,304,337,988.64
  5. Step 5: Solve for x
    x = 6,389,304,337,988.64/2,890,758.30
  6. Step 6: Final answer
    x = 2,210,252.01

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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.