Home / 1,808,244.60-2,715,477.30-1,279,476.60

Finding the Fourth Proportional to 1,808,244.60, 2,715,477.30 and 1,279,476.60

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Solution

The fourth proportional to 1,808,244.60, 2,715,477.30 and 1,279,476.60 is: 1,921,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,244.60 : 2,715,477.30 = 1,279,476.60 : x
  2. Step 2: Convert to fraction form
    1,808,244.60/2,715,477.30 = 1,279,476.60/x
  3. Step 3: Cross multiply
    1,808,244.60x = 2,715,477.30 × 1,279,476.60
  4. Step 4: Simplify right side
    1,808,244.60x = 3,474,389,663,181.18
  5. Step 5: Solve for x
    x = 3,474,389,663,181.18/1,808,244.60
  6. Step 6: Final answer
    x = 1,921,415.75

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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.