Home / 3,867,902.16-5,802,903.12-1,172,118.48

Finding the Fourth Proportional to 3,867,902.16, 5,802,903.12 and 1,172,118.48

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Solution

The fourth proportional to 3,867,902.16, 5,802,903.12 and 1,172,118.48 is: 1,758,495.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,902.16 : 5,802,903.12 = 1,172,118.48 : x
  2. Step 2: Convert to fraction form
    3,867,902.16/5,802,903.12 = 1,172,118.48/x
  3. Step 3: Cross multiply
    3,867,902.16x = 5,802,903.12 × 1,172,118.48
  4. Step 4: Simplify right side
    3,867,902.16x = 6,801,689,984,601.66
  5. Step 5: Solve for x
    x = 6,801,689,984,601.66/3,867,902.16
  6. Step 6: Final answer
    x = 1,758,495.87

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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.