Home / 3,886,942.04-5,363,988.18-2,168,018.36

Finding the Fourth Proportional to 3,886,942.04, 5,363,988.18 and 2,168,018.36

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Solution

The fourth proportional to 3,886,942.04, 5,363,988.18 and 2,168,018.36 is: 2,991,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,942.04 : 5,363,988.18 = 2,168,018.36 : x
  2. Step 2: Convert to fraction form
    3,886,942.04/5,363,988.18 = 2,168,018.36/x
  3. Step 3: Cross multiply
    3,886,942.04x = 5,363,988.18 × 2,168,018.36
  4. Step 4: Simplify right side
    3,886,942.04x = 11,629,224,857,062.98
  5. Step 5: Solve for x
    x = 11,629,224,857,062.98/3,886,942.04
  6. Step 6: Final answer
    x = 2,991,869.89

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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.