Home / 3,895,784.10-5,376,078.92-2,176,918.74

Finding the Fourth Proportional to 3,895,784.10, 5,376,078.92 and 2,176,918.74

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Solution

The fourth proportional to 3,895,784.10, 5,376,078.92 and 2,176,918.74 is: 3,004,090.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,784.10 : 5,376,078.92 = 2,176,918.74 : x
  2. Step 2: Convert to fraction form
    3,895,784.10/5,376,078.92 = 2,176,918.74/x
  3. Step 3: Cross multiply
    3,895,784.10x = 5,376,078.92 × 2,176,918.74
  4. Step 4: Simplify right side
    3,895,784.10x = 11,703,286,948,666.96
  5. Step 5: Solve for x
    x = 11,703,286,948,666.96/3,895,784.10
  6. Step 6: Final answer
    x = 3,004,090.23

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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.