Home / 6,388,812.40-9,578,491.80-3,019,082.80

Finding the Fourth Proportional to 6,388,812.40, 9,578,491.80 and 3,019,082.80

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Solution

The fourth proportional to 6,388,812.40, 9,578,491.80 and 3,019,082.80 is: 4,526,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,812.40 : 9,578,491.80 = 3,019,082.80 : x
  2. Step 2: Convert to fraction form
    6,388,812.40/9,578,491.80 = 3,019,082.80/x
  3. Step 3: Cross multiply
    6,388,812.40x = 9,578,491.80 × 3,019,082.80
  4. Step 4: Simplify right side
    6,388,812.40x = 28,918,259,843,321.04
  5. Step 5: Solve for x
    x = 28,918,259,843,321.04/6,388,812.40
  6. Step 6: Final answer
    x = 4,526,390.51

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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.