Home / 6,438,391.46-8,884,977.71-3,537,969.38

Finding the Fourth Proportional to 6,438,391.46, 8,884,977.71 and 3,537,969.38

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Solution

The fourth proportional to 6,438,391.46, 8,884,977.71 and 3,537,969.38 is: 4,882,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,391.46 : 8,884,977.71 = 3,537,969.38 : x
  2. Step 2: Convert to fraction form
    6,438,391.46/8,884,977.71 = 3,537,969.38/x
  3. Step 3: Cross multiply
    6,438,391.46x = 8,884,977.71 × 3,537,969.38
  4. Step 4: Simplify right side
    6,438,391.46x = 31,434,779,017,847.79
  5. Step 5: Solve for x
    x = 31,434,779,017,847.79/6,438,391.46
  6. Step 6: Final answer
    x = 4,882,396.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.