Home / 3,469,950.39-4,788,681.16-1,921,212.02

Finding the Fourth Proportional to 3,469,950.39, 4,788,681.16 and 1,921,212.02

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Solution

The fourth proportional to 3,469,950.39, 4,788,681.16 and 1,921,212.02 is: 2,651,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,950.39 : 4,788,681.16 = 1,921,212.02 : x
  2. Step 2: Convert to fraction form
    3,469,950.39/4,788,681.16 = 1,921,212.02/x
  3. Step 3: Cross multiply
    3,469,950.39x = 4,788,681.16 × 1,921,212.02
  4. Step 4: Simplify right side
    3,469,950.39x = 9,200,071,829,630.02
  5. Step 5: Solve for x
    x = 9,200,071,829,630.02/3,469,950.39
  6. Step 6: Final answer
    x = 2,651,355.43

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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.