Home / 2,209,697.75-3,049,353.54-1,242,828.09

Finding the Fourth Proportional to 2,209,697.75, 3,049,353.54 and 1,242,828.09

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Solution

The fourth proportional to 2,209,697.75, 3,049,353.54 and 1,242,828.09 is: 1,715,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,697.75 : 3,049,353.54 = 1,242,828.09 : x
  2. Step 2: Convert to fraction form
    2,209,697.75/3,049,353.54 = 1,242,828.09/x
  3. Step 3: Cross multiply
    2,209,697.75x = 3,049,353.54 × 1,242,828.09
  4. Step 4: Simplify right side
    2,209,697.75x = 3,789,822,235,852.94
  5. Step 5: Solve for x
    x = 3,789,822,235,852.94/2,209,697.75
  6. Step 6: Final answer
    x = 1,715,086.25

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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.