Home / 3,692,913.89-5,097,071.47-2,165,513.09

Finding the Fourth Proportional to 3,692,913.89, 5,097,071.47 and 2,165,513.09

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Solution

The fourth proportional to 3,692,913.89, 5,097,071.47 and 2,165,513.09 is: 2,988,906.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692,913.89 : 5,097,071.47 = 2,165,513.09 : x
  2. Step 2: Convert to fraction form
    3,692,913.89/5,097,071.47 = 2,165,513.09/x
  3. Step 3: Cross multiply
    3,692,913.89x = 5,097,071.47 × 2,165,513.09
  4. Step 4: Simplify right side
    3,692,913.89x = 11,037,774,988,950.54
  5. Step 5: Solve for x
    x = 11,037,774,988,950.54/3,692,913.89
  6. Step 6: Final answer
    x = 2,988,906.68

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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.