Home / 5,215,206.08-7,825,056.40-2,820,736.64

Finding the Fourth Proportional to 5,215,206.08, 7,825,056.40 and 2,820,736.64

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Solution

The fourth proportional to 5,215,206.08, 7,825,056.40 and 2,820,736.64 is: 4,232,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,206.08 : 7,825,056.40 = 2,820,736.64 : x
  2. Step 2: Convert to fraction form
    5,215,206.08/7,825,056.40 = 2,820,736.64/x
  3. Step 3: Cross multiply
    5,215,206.08x = 7,825,056.40 × 2,820,736.64
  4. Step 4: Simplify right side
    5,215,206.08x = 22,072,423,297,546.50
  5. Step 5: Solve for x
    x = 22,072,423,297,546.50/5,215,206.08
  6. Step 6: Final answer
    x = 4,232,320.44

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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.