Home / 3,868,666.89-5,338,815.81-2,126,497.62

Finding the Fourth Proportional to 3,868,666.89, 5,338,815.81 and 2,126,497.62

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Solution

The fourth proportional to 3,868,666.89, 5,338,815.81 and 2,126,497.62 is: 2,934,597.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,666.89 : 5,338,815.81 = 2,126,497.62 : x
  2. Step 2: Convert to fraction form
    3,868,666.89/5,338,815.81 = 2,126,497.62/x
  3. Step 3: Cross multiply
    3,868,666.89x = 5,338,815.81 × 2,126,497.62
  4. Step 4: Simplify right side
    3,868,666.89x = 11,352,979,113,583.37
  5. Step 5: Solve for x
    x = 11,352,979,113,583.37/3,868,666.89
  6. Step 6: Final answer
    x = 2,934,597.22

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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.