Home / 3,692,878.69-5,097,022.91-2,165,477.89

Finding the Fourth Proportional to 3,692,878.69, 5,097,022.91 and 2,165,477.89

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Solution

The fourth proportional to 3,692,878.69, 5,097,022.91 and 2,165,477.89 is: 2,988,858.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692,878.69 : 5,097,022.91 = 2,165,477.89 : x
  2. Step 2: Convert to fraction form
    3,692,878.69/5,097,022.91 = 2,165,477.89/x
  3. Step 3: Cross multiply
    3,692,878.69x = 5,097,022.91 × 2,165,477.89
  4. Step 4: Simplify right side
    3,692,878.69x = 11,037,490,416,428.46
  5. Step 5: Solve for x
    x = 11,037,490,416,428.46/3,692,878.69
  6. Step 6: Final answer
    x = 2,988,858.11

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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.