Home / 2,667,730.70-3,998,874.45-1,317,817.10

Finding the Fourth Proportional to 2,667,730.70, 3,998,874.45 and 1,317,817.10

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Solution

The fourth proportional to 2,667,730.70, 3,998,874.45 and 1,317,817.10 is: 1,975,381.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,730.70 : 3,998,874.45 = 1,317,817.10 : x
  2. Step 2: Convert to fraction form
    2,667,730.70/3,998,874.45 = 1,317,817.10/x
  3. Step 3: Cross multiply
    2,667,730.70x = 3,998,874.45 × 1,317,817.10
  4. Step 4: Simplify right side
    2,667,730.70x = 5,269,785,130,963.10
  5. Step 5: Solve for x
    x = 5,269,785,130,963.10/2,667,730.70
  6. Step 6: Final answer
    x = 1,975,381.22

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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.