Home / 3,243,667.20-4,475,917.68-1,793,128.80

Finding the Fourth Proportional to 3,243,667.20, 4,475,917.68 and 1,793,128.80

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Solution

The fourth proportional to 3,243,667.20, 4,475,917.68 and 1,793,128.80 is: 2,474,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243,667.20 : 4,475,917.68 = 1,793,128.80 : x
  2. Step 2: Convert to fraction form
    3,243,667.20/4,475,917.68 = 1,793,128.80/x
  3. Step 3: Cross multiply
    3,243,667.20x = 4,475,917.68 × 1,793,128.80
  4. Step 4: Simplify right side
    3,243,667.20x = 8,025,896,898,437.18
  5. Step 5: Solve for x
    x = 8,025,896,898,437.18/3,243,667.20
  6. Step 6: Final answer
    x = 2,474,328.10

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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.