Home / 2,116,141.62-2,920,455.54-1,198,534

Finding the Fourth Proportional to 2,116,141.62, 2,920,455.54 and 1,198,534

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Solution

The fourth proportional to 2,116,141.62, 2,920,455.54 and 1,198,534 is: 1,654,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,141.62 : 2,920,455.54 = 1,198,534 : x
  2. Step 2: Convert to fraction form
    2,116,141.62/2,920,455.54 = 1,198,534/x
  3. Step 3: Cross multiply
    2,116,141.62x = 2,920,455.54 × 1,198,534
  4. Step 4: Simplify right side
    2,116,141.62x = 3,500,265,260,178.36
  5. Step 5: Solve for x
    x = 3,500,265,260,178.36/2,116,141.62
  6. Step 6: Final answer
    x = 1,654,078.93

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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.