Home / 1,970,122.62-2,955,351.60-621,924.60

Finding the Fourth Proportional to 1,970,122.62, 2,955,351.60 and 621,924.60

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Solution

The fourth proportional to 1,970,122.62, 2,955,351.60 and 621,924.60 is: 932,939.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,122.62 : 2,955,351.60 = 621,924.60 : x
  2. Step 2: Convert to fraction form
    1,970,122.62/2,955,351.60 = 621,924.60/x
  3. Step 3: Cross multiply
    1,970,122.62x = 2,955,351.60 × 621,924.60
  4. Step 4: Simplify right side
    1,970,122.62x = 1,838,005,861,689.36
  5. Step 5: Solve for x
    x = 1,838,005,861,689.36/1,970,122.62
  6. Step 6: Final answer
    x = 932,939.83

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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.