Home / 1,808,209.10-2,715,424.05-1,279,441.10

Finding the Fourth Proportional to 1,808,209.10, 2,715,424.05 and 1,279,441.10

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Solution

The fourth proportional to 1,808,209.10, 2,715,424.05 and 1,279,441.10 is: 1,921,362.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,209.10 : 2,715,424.05 = 1,279,441.10 : x
  2. Step 2: Convert to fraction form
    1,808,209.10/2,715,424.05 = 1,279,441.10/x
  3. Step 3: Cross multiply
    1,808,209.10x = 2,715,424.05 × 1,279,441.10
  4. Step 4: Simplify right side
    1,808,209.10x = 3,474,225,133,498.46
  5. Step 5: Solve for x
    x = 3,474,225,133,498.46/1,808,209.10
  6. Step 6: Final answer
    x = 1,921,362.49

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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.