Home / 6,986,585.88-9,641,389.72-3,930,792.84

Finding the Fourth Proportional to 6,986,585.88, 9,641,389.72 and 3,930,792.84

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Solution

The fourth proportional to 6,986,585.88, 9,641,389.72 and 3,930,792.84 is: 5,424,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986,585.88 : 9,641,389.72 = 3,930,792.84 : x
  2. Step 2: Convert to fraction form
    6,986,585.88/9,641,389.72 = 3,930,792.84/x
  3. Step 3: Cross multiply
    6,986,585.88x = 9,641,389.72 × 3,930,792.84
  4. Step 4: Simplify right side
    6,986,585.88x = 37,898,305,679,025.61
  5. Step 5: Solve for x
    x = 37,898,305,679,025.61/6,986,585.88
  6. Step 6: Final answer
    x = 5,424,438.54

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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.