Home / 1,812,621.52-2,501,367.81-996,825.20

Finding the Fourth Proportional to 1,812,621.52, 2,501,367.81 and 996,825.20

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Solution

The fourth proportional to 1,812,621.52, 2,501,367.81 and 996,825.20 is: 1,375,591.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,621.52 : 2,501,367.81 = 996,825.20 : x
  2. Step 2: Convert to fraction form
    1,812,621.52/2,501,367.81 = 996,825.20/x
  3. Step 3: Cross multiply
    1,812,621.52x = 2,501,367.81 × 996,825.20
  4. Step 4: Simplify right side
    1,812,621.52x = 2,493,426,467,476.81
  5. Step 5: Solve for x
    x = 2,493,426,467,476.81/1,812,621.52
  6. Step 6: Final answer
    x = 1,375,591.34

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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.