Home / 5,343,145.20-8,019,966.60-2,650,510.80

Finding the Fourth Proportional to 5,343,145.20, 8,019,966.60 and 2,650,510.80

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Solution

The fourth proportional to 5,343,145.20, 8,019,966.60 and 2,650,510.80 is: 3,978,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343,145.20 : 8,019,966.60 = 2,650,510.80 : x
  2. Step 2: Convert to fraction form
    5,343,145.20/8,019,966.60 = 2,650,510.80/x
  3. Step 3: Cross multiply
    5,343,145.20x = 8,019,966.60 × 2,650,510.80
  4. Step 4: Simplify right side
    5,343,145.20x = 21,257,008,088,939.28
  5. Step 5: Solve for x
    x = 21,257,008,088,939.28/5,343,145.20
  6. Step 6: Final answer
    x = 3,978,369.91

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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.