Home / 2,989,632.20-4,479,855.60-2,227,900.10

Finding the Fourth Proportional to 2,989,632.20, 4,479,855.60 and 2,227,900.10

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Solution

The fourth proportional to 2,989,632.20, 4,479,855.60 and 2,227,900.10 is: 3,338,427.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,632.20 : 4,479,855.60 = 2,227,900.10 : x
  2. Step 2: Convert to fraction form
    2,989,632.20/4,479,855.60 = 2,227,900.10/x
  3. Step 3: Cross multiply
    2,989,632.20x = 4,479,855.60 × 2,227,900.10
  4. Step 4: Simplify right side
    2,989,632.20x = 9,980,670,739,225.56
  5. Step 5: Solve for x
    x = 9,980,670,739,225.56/2,989,632.20
  6. Step 6: Final answer
    x = 3,338,427.63

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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.