Home / 1,461,882.97-2,189,418.19-1,421,525.53

Finding the Fourth Proportional to 1,461,882.97, 2,189,418.19 and 1,421,525.53

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Solution

The fourth proportional to 1,461,882.97, 2,189,418.19 and 1,421,525.53 is: 2,128,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,882.97 : 2,189,418.19 = 1,421,525.53 : x
  2. Step 2: Convert to fraction form
    1,461,882.97/2,189,418.19 = 1,421,525.53/x
  3. Step 3: Cross multiply
    1,461,882.97x = 2,189,418.19 × 1,421,525.53
  4. Step 4: Simplify right side
    1,461,882.97x = 3,112,313,852,931.39
  5. Step 5: Solve for x
    x = 3,112,313,852,931.39/1,461,882.97
  6. Step 6: Final answer
    x = 2,128,976.06

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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.