Home / 2,784,120.23-3,842,624.54-1,815,569.02

Finding the Fourth Proportional to 2,784,120.23, 3,842,624.54 and 1,815,569.02

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Solution

The fourth proportional to 2,784,120.23, 3,842,624.54 and 1,815,569.02 is: 2,505,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,120.23 : 3,842,624.54 = 1,815,569.02 : x
  2. Step 2: Convert to fraction form
    2,784,120.23/3,842,624.54 = 1,815,569.02/x
  3. Step 3: Cross multiply
    2,784,120.23x = 3,842,624.54 × 1,815,569.02
  4. Step 4: Simplify right side
    2,784,120.23x = 6,976,550,042,024.78
  5. Step 5: Solve for x
    x = 6,976,550,042,024.78/2,784,120.23
  6. Step 6: Final answer
    x = 2,505,836.48

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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.