Home / 3,152,496.72-4,349,644.68-1,928,355.12

Finding the Fourth Proportional to 3,152,496.72, 4,349,644.68 and 1,928,355.12

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Solution

The fourth proportional to 3,152,496.72, 4,349,644.68 and 1,928,355.12 is: 2,660,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152,496.72 : 4,349,644.68 = 1,928,355.12 : x
  2. Step 2: Convert to fraction form
    3,152,496.72/4,349,644.68 = 1,928,355.12/x
  3. Step 3: Cross multiply
    3,152,496.72x = 4,349,644.68 × 1,928,355.12
  4. Step 4: Simplify right side
    3,152,496.72x = 8,387,659,588,858.76
  5. Step 5: Solve for x
    x = 8,387,659,588,858.76/3,152,496.72
  6. Step 6: Final answer
    x = 2,660,640.23

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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.