Home / 1,787,902.18-2,467,287.66-972,105.86

Finding the Fourth Proportional to 1,787,902.18, 2,467,287.66 and 972,105.86

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Solution

The fourth proportional to 1,787,902.18, 2,467,287.66 and 972,105.86 is: 1,341,496.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,902.18 : 2,467,287.66 = 972,105.86 : x
  2. Step 2: Convert to fraction form
    1,787,902.18/2,467,287.66 = 972,105.86/x
  3. Step 3: Cross multiply
    1,787,902.18x = 2,467,287.66 × 972,105.86
  4. Step 4: Simplify right side
    1,787,902.18x = 2,398,464,792,591.69
  5. Step 5: Solve for x
    x = 2,398,464,792,591.69/1,787,902.18
  6. Step 6: Final answer
    x = 1,341,496.65

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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.