Home / 2,625,388.20-3,929,334.30-1,903,678.20

Finding the Fourth Proportional to 2,625,388.20, 3,929,334.30 and 1,903,678.20

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Solution

The fourth proportional to 2,625,388.20, 3,929,334.30 and 1,903,678.20 is: 2,849,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625,388.20 : 3,929,334.30 = 1,903,678.20 : x
  2. Step 2: Convert to fraction form
    2,625,388.20/3,929,334.30 = 1,903,678.20/x
  3. Step 3: Cross multiply
    2,625,388.20x = 3,929,334.30 × 1,903,678.20
  4. Step 4: Simplify right side
    2,625,388.20x = 7,480,188,047,422.26
  5. Step 5: Solve for x
    x = 7,480,188,047,422.26/2,625,388.20
  6. Step 6: Final answer
    x = 2,849,174.09

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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.