Home / 3,839,885.93-5,298,941.08-2,120,969.54

Finding the Fourth Proportional to 3,839,885.93, 5,298,941.08 and 2,120,969.54

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Solution

The fourth proportional to 3,839,885.93, 5,298,941.08 and 2,120,969.54 is: 2,926,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,885.93 : 5,298,941.08 = 2,120,969.54 : x
  2. Step 2: Convert to fraction form
    3,839,885.93/5,298,941.08 = 2,120,969.54/x
  3. Step 3: Cross multiply
    3,839,885.93x = 5,298,941.08 × 2,120,969.54
  4. Step 4: Simplify right side
    3,839,885.93x = 11,238,892,624,934.70
  5. Step 5: Solve for x
    x = 11,238,892,624,934.70/3,839,885.93
  6. Step 6: Final answer
    x = 2,926,881.90

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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.