Home / 1,601,143.16-2,210,538.59-990,115.18

Finding the Fourth Proportional to 1,601,143.16, 2,210,538.59 and 990,115.18

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Solution

The fourth proportional to 1,601,143.16, 2,210,538.59 and 990,115.18 is: 1,366,953.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,143.16 : 2,210,538.59 = 990,115.18 : x
  2. Step 2: Convert to fraction form
    1,601,143.16/2,210,538.59 = 990,115.18/x
  3. Step 3: Cross multiply
    1,601,143.16x = 2,210,538.59 × 990,115.18
  4. Step 4: Simplify right side
    1,601,143.16x = 2,188,687,813,934.80
  5. Step 5: Solve for x
    x = 2,188,687,813,934.80/1,601,143.16
  6. Step 6: Final answer
    x = 1,366,953.23

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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.