Home / 2,128,098.59-2,936,768.03-1,161,220.41

Finding the Fourth Proportional to 2,128,098.59, 2,936,768.03 and 1,161,220.41

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Solution

The fourth proportional to 2,128,098.59, 2,936,768.03 and 1,161,220.41 is: 1,602,479.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,098.59 : 2,936,768.03 = 1,161,220.41 : x
  2. Step 2: Convert to fraction form
    2,128,098.59/2,936,768.03 = 1,161,220.41/x
  3. Step 3: Cross multiply
    2,128,098.59x = 2,936,768.03 × 1,161,220.41
  4. Step 4: Simplify right side
    2,128,098.59x = 3,410,234,970,065.39
  5. Step 5: Solve for x
    x = 3,410,234,970,065.39/2,128,098.59
  6. Step 6: Final answer
    x = 1,602,479.79

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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.