Home / 2,138,685.96-3,196,287.24-1,563,520.07

Finding the Fourth Proportional to 2,138,685.96, 3,196,287.24 and 1,563,520.07

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Solution

The fourth proportional to 2,138,685.96, 3,196,287.24 and 1,563,520.07 is: 2,336,696.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,685.96 : 3,196,287.24 = 1,563,520.07 : x
  2. Step 2: Convert to fraction form
    2,138,685.96/3,196,287.24 = 1,563,520.07/x
  3. Step 3: Cross multiply
    2,138,685.96x = 3,196,287.24 × 1,563,520.07
  4. Step 4: Simplify right side
    2,138,685.96x = 4,997,459,233,243.47
  5. Step 5: Solve for x
    x = 4,997,459,233,243.47/2,138,685.96
  6. Step 6: Final answer
    x = 2,336,696.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.