Home / 2,106,141.07-3,158,608.96-686,321.23

Finding the Fourth Proportional to 2,106,141.07, 3,158,608.96 and 686,321.23

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Solution

The fourth proportional to 2,106,141.07, 3,158,608.96 and 686,321.23 is: 1,029,285.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,141.07 : 3,158,608.96 = 686,321.23 : x
  2. Step 2: Convert to fraction form
    2,106,141.07/3,158,608.96 = 686,321.23/x
  3. Step 3: Cross multiply
    2,106,141.07x = 3,158,608.96 × 686,321.23
  4. Step 4: Simplify right side
    2,106,141.07x = 2,167,820,386,516.22
  5. Step 5: Solve for x
    x = 2,167,820,386,516.22/2,106,141.07
  6. Step 6: Final answer
    x = 1,029,285.46

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Double scale
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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.