Home / 2,119,228.52-3,178,843.38-623,320.52

Finding the Fourth Proportional to 2,119,228.52, 3,178,843.38 and 623,320.52

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Solution

The fourth proportional to 2,119,228.52, 3,178,843.38 and 623,320.52 is: 934,980.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,228.52 : 3,178,843.38 = 623,320.52 : x
  2. Step 2: Convert to fraction form
    2,119,228.52/3,178,843.38 = 623,320.52/x
  3. Step 3: Cross multiply
    2,119,228.52x = 3,178,843.38 × 623,320.52
  4. Step 4: Simplify right side
    2,119,228.52x = 1,981,438,292,725.94
  5. Step 5: Solve for x
    x = 1,981,438,292,725.94/2,119,228.52
  6. Step 6: Final answer
    x = 934,980.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.