Home / 3,787,262.05-5,226,455.04-2,155,774.45

Finding the Fourth Proportional to 3,787,262.05, 5,226,455.04 and 2,155,774.45

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Solution

The fourth proportional to 3,787,262.05, 5,226,455.04 and 2,155,774.45 is: 2,974,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,262.05 : 5,226,455.04 = 2,155,774.45 : x
  2. Step 2: Convert to fraction form
    3,787,262.05/5,226,455.04 = 2,155,774.45/x
  3. Step 3: Cross multiply
    3,787,262.05x = 5,226,455.04 × 2,155,774.45
  4. Step 4: Simplify right side
    3,787,262.05x = 11,267,058,227,955.04
  5. Step 5: Solve for x
    x = 11,267,058,227,955.04/3,787,262.05
  6. Step 6: Final answer
    x = 2,974,987.76

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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.