Home / 3,787,208.72-5,226,353.87-2,155,616.06

Finding the Fourth Proportional to 3,787,208.72, 5,226,353.87 and 2,155,616.06

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Solution

The fourth proportional to 3,787,208.72, 5,226,353.87 and 2,155,616.06 is: 2,974,753.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,208.72 : 5,226,353.87 = 2,155,616.06 : x
  2. Step 2: Convert to fraction form
    3,787,208.72/5,226,353.87 = 2,155,616.06/x
  3. Step 3: Cross multiply
    3,787,208.72x = 5,226,353.87 × 2,155,616.06
  4. Step 4: Simplify right side
    3,787,208.72x = 11,266,012,355,870.08
  5. Step 5: Solve for x
    x = 11,266,012,355,870.08/3,787,208.72
  6. Step 6: Final answer
    x = 2,974,753.49

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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.