Home / 6,437,786.96-8,881,948.75-3,989,504.70

Finding the Fourth Proportional to 6,437,786.96, 8,881,948.75 and 3,989,504.70

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Solution

The fourth proportional to 6,437,786.96, 8,881,948.75 and 3,989,504.70 is: 5,504,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437,786.96 : 8,881,948.75 = 3,989,504.70 : x
  2. Step 2: Convert to fraction form
    6,437,786.96/8,881,948.75 = 3,989,504.70/x
  3. Step 3: Cross multiply
    6,437,786.96x = 8,881,948.75 × 3,989,504.70
  4. Step 4: Simplify right side
    6,437,786.96x = 35,434,576,280,790.69
  5. Step 5: Solve for x
    x = 35,434,576,280,790.69/6,437,786.96
  6. Step 6: Final answer
    x = 5,504,154.85

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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.