Home / 3,862,905.70-5,794,358.55-1,618,809.70

Finding the Fourth Proportional to 3,862,905.70, 5,794,358.55 and 1,618,809.70

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Solution

The fourth proportional to 3,862,905.70, 5,794,358.55 and 1,618,809.70 is: 2,428,214.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862,905.70 : 5,794,358.55 = 1,618,809.70 : x
  2. Step 2: Convert to fraction form
    3,862,905.70/5,794,358.55 = 1,618,809.70/x
  3. Step 3: Cross multiply
    3,862,905.70x = 5,794,358.55 × 1,618,809.70
  4. Step 4: Simplify right side
    3,862,905.70x = 9,379,963,826,017.93
  5. Step 5: Solve for x
    x = 9,379,963,826,017.93/3,862,905.70
  6. Step 6: Final answer
    x = 2,428,214.55

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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.