Home / 1,942,803.47-2,912,441.01-679,942.19

Finding the Fourth Proportional to 1,942,803.47, 2,912,441.01 and 679,942.19

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Solution

The fourth proportional to 1,942,803.47, 2,912,441.01 and 679,942.19 is: 1,019,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,803.47 : 2,912,441.01 = 679,942.19 : x
  2. Step 2: Convert to fraction form
    1,942,803.47/2,912,441.01 = 679,942.19/x
  3. Step 3: Cross multiply
    1,942,803.47x = 2,912,441.01 × 679,942.19
  4. Step 4: Simplify right side
    1,942,803.47x = 1,980,291,504,023.01
  5. Step 5: Solve for x
    x = 1,980,291,504,023.01/1,942,803.47
  6. Step 6: Final answer
    x = 1,019,295.85

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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.