Home / 2,097,128.12-2,894,009.28-1,179,356.96

Finding the Fourth Proportional to 2,097,128.12, 2,894,009.28 and 1,179,356.96

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Solution

The fourth proportional to 2,097,128.12, 2,894,009.28 and 1,179,356.96 is: 1,627,497.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097,128.12 : 2,894,009.28 = 1,179,356.96 : x
  2. Step 2: Convert to fraction form
    2,097,128.12/2,894,009.28 = 1,179,356.96/x
  3. Step 3: Cross multiply
    2,097,128.12x = 2,894,009.28 × 1,179,356.96
  4. Step 4: Simplify right side
    2,097,128.12x = 3,413,069,972,202.54
  5. Step 5: Solve for x
    x = 3,413,069,972,202.54/2,097,128.12
  6. Step 6: Final answer
    x = 1,627,497.12

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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.