Home / 1,490,972.40-2,238,208.20-1,480,474.80

Finding the Fourth Proportional to 1,490,972.40, 2,238,208.20 and 1,480,474.80

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Solution

The fourth proportional to 1,490,972.40, 2,238,208.20 and 1,480,474.80 is: 2,222,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,972.40 : 2,238,208.20 = 1,480,474.80 : x
  2. Step 2: Convert to fraction form
    1,490,972.40/2,238,208.20 = 1,480,474.80/x
  3. Step 3: Cross multiply
    1,490,972.40x = 2,238,208.20 × 1,480,474.80
  4. Step 4: Simplify right side
    1,490,972.40x = 3,313,610,837,253.36
  5. Step 5: Solve for x
    x = 3,313,610,837,253.36/1,490,972.40
  6. Step 6: Final answer
    x = 2,222,449.48

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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.