Home / 1,466,021.82-2,201,451.19-989,312.32

Finding the Fourth Proportional to 1,466,021.82, 2,201,451.19 and 989,312.32

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Solution

The fourth proportional to 1,466,021.82, 2,201,451.19 and 989,312.32 is: 1,485,600.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466,021.82 : 2,201,451.19 = 989,312.32 : x
  2. Step 2: Convert to fraction form
    1,466,021.82/2,201,451.19 = 989,312.32/x
  3. Step 3: Cross multiply
    1,466,021.82x = 2,201,451.19 × 989,312.32
  4. Step 4: Simplify right side
    1,466,021.82x = 2,177,922,784,145.66
  5. Step 5: Solve for x
    x = 2,177,922,784,145.66/1,466,021.82
  6. Step 6: Final answer
    x = 1,485,600.52

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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.