Home / 2,680,768.20-4,024,262.70-1,617,011.40

Finding the Fourth Proportional to 2,680,768.20, 4,024,262.70 and 1,617,011.40

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Solution

The fourth proportional to 2,680,768.20, 4,024,262.70 and 1,617,011.40 is: 2,427,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,768.20 : 4,024,262.70 = 1,617,011.40 : x
  2. Step 2: Convert to fraction form
    2,680,768.20/4,024,262.70 = 1,617,011.40/x
  3. Step 3: Cross multiply
    2,680,768.20x = 4,024,262.70 × 1,617,011.40
  4. Step 4: Simplify right side
    2,680,768.20x = 6,507,278,662,494.78
  5. Step 5: Solve for x
    x = 6,507,278,662,494.78/2,680,768.20
  6. Step 6: Final answer
    x = 2,427,393.26

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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.