Home / 3,868,662.39-5,338,809.59-2,126,493.11

Finding the Fourth Proportional to 3,868,662.39, 5,338,809.59 and 2,126,493.11

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Solution

The fourth proportional to 3,868,662.39, 5,338,809.59 and 2,126,493.11 is: 2,934,590.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,662.39 : 5,338,809.59 = 2,126,493.11 : x
  2. Step 2: Convert to fraction form
    3,868,662.39/5,338,809.59 = 2,126,493.11/x
  3. Step 3: Cross multiply
    3,868,662.39x = 5,338,809.59 × 2,126,493.11
  4. Step 4: Simplify right side
    3,868,662.39x = 11,352,941,771,410.41
  5. Step 5: Solve for x
    x = 11,352,941,771,410.41/3,868,662.39
  6. Step 6: Final answer
    x = 2,934,590.98

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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.