Home / 2,313,308.75-3,192,465.85-1,280,816.56

Finding the Fourth Proportional to 2,313,308.75, 3,192,465.85 and 1,280,816.56

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Solution

The fourth proportional to 2,313,308.75, 3,192,465.85 and 1,280,816.56 is: 1,767,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313,308.75 : 3,192,465.85 = 1,280,816.56 : x
  2. Step 2: Convert to fraction form
    2,313,308.75/3,192,465.85 = 1,280,816.56/x
  3. Step 3: Cross multiply
    2,313,308.75x = 3,192,465.85 × 1,280,816.56
  4. Step 4: Simplify right side
    2,313,308.75x = 4,088,963,119,294.07
  5. Step 5: Solve for x
    x = 4,088,963,119,294.07/2,313,308.75
  6. Step 6: Final answer
    x = 1,767,582.09

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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.