Home / 3,938,099.94-5,908,146.21-1,098,212.40

Finding the Fourth Proportional to 3,938,099.94, 5,908,146.21 and 1,098,212.40

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Solution

The fourth proportional to 3,938,099.94, 5,908,146.21 and 1,098,212.40 is: 1,647,596.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,099.94 : 5,908,146.21 = 1,098,212.40 : x
  2. Step 2: Convert to fraction form
    3,938,099.94/5,908,146.21 = 1,098,212.40/x
  3. Step 3: Cross multiply
    3,938,099.94x = 5,908,146.21 × 1,098,212.40
  4. Step 4: Simplify right side
    3,938,099.94x = 6,488,399,428,835.00
  5. Step 5: Solve for x
    x = 6,488,399,428,835.00/3,938,099.94
  6. Step 6: Final answer
    x = 1,647,596.44

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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.