Home / 6,438,139.20-9,658,704.42-1,889,004.24

Finding the Fourth Proportional to 6,438,139.20, 9,658,704.42 and 1,889,004.24

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Solution

The fourth proportional to 6,438,139.20, 9,658,704.42 and 1,889,004.24 is: 2,833,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,139.20 : 9,658,704.42 = 1,889,004.24 : x
  2. Step 2: Convert to fraction form
    6,438,139.20/9,658,704.42 = 1,889,004.24/x
  3. Step 3: Cross multiply
    6,438,139.20x = 9,658,704.42 × 1,889,004.24
  4. Step 4: Simplify right side
    6,438,139.20x = 18,245,333,602,286.74
  5. Step 5: Solve for x
    x = 18,245,333,602,286.74/6,438,139.20
  6. Step 6: Final answer
    x = 2,833,945.19

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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.