Home / 2,176,184.70-3,265,349.85-978,954.30

Finding the Fourth Proportional to 2,176,184.70, 3,265,349.85 and 978,954.30

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Solution

The fourth proportional to 2,176,184.70, 3,265,349.85 and 978,954.30 is: 1,468,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,184.70 : 3,265,349.85 = 978,954.30 : x
  2. Step 2: Convert to fraction form
    2,176,184.70/3,265,349.85 = 978,954.30/x
  3. Step 3: Cross multiply
    2,176,184.70x = 3,265,349.85 × 978,954.30
  4. Step 4: Simplify right side
    2,176,184.70x = 3,196,628,276,661.86
  5. Step 5: Solve for x
    x = 3,196,628,276,661.86/2,176,184.70
  6. Step 6: Final answer
    x = 1,468,914.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.