Home / 1,601,140.41-2,210,534.79-990,112.43

Finding the Fourth Proportional to 1,601,140.41, 2,210,534.79 and 990,112.43

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Solution

The fourth proportional to 1,601,140.41, 2,210,534.79 and 990,112.43 is: 1,366,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,140.41 : 2,210,534.79 = 990,112.43 : x
  2. Step 2: Convert to fraction form
    1,601,140.41/2,210,534.79 = 990,112.43/x
  3. Step 3: Cross multiply
    1,601,140.41x = 2,210,534.79 × 990,112.43
  4. Step 4: Simplify right side
    1,601,140.41x = 2,188,677,972,526.44
  5. Step 5: Solve for x
    x = 2,188,677,972,526.44/1,601,140.41
  6. Step 6: Final answer
    x = 1,366,949.43

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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.