Home / 2,158,982.70-3,238,474.05-662,880.30

Finding the Fourth Proportional to 2,158,982.70, 3,238,474.05 and 662,880.30

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Solution

The fourth proportional to 2,158,982.70, 3,238,474.05 and 662,880.30 is: 994,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,982.70 : 3,238,474.05 = 662,880.30 : x
  2. Step 2: Convert to fraction form
    2,158,982.70/3,238,474.05 = 662,880.30/x
  3. Step 3: Cross multiply
    2,158,982.70x = 3,238,474.05 × 662,880.30
  4. Step 4: Simplify right side
    2,158,982.70x = 2,146,720,649,806.22
  5. Step 5: Solve for x
    x = 2,146,720,649,806.22/2,158,982.70
  6. Step 6: Final answer
    x = 994,320.45

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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.