Home / 2,331,816.87-3,217,822.32-1,299,271.30

Finding the Fourth Proportional to 2,331,816.87, 3,217,822.32 and 1,299,271.30

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Solution

The fourth proportional to 2,331,816.87, 3,217,822.32 and 1,299,271.30 is: 1,792,947.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331,816.87 : 3,217,822.32 = 1,299,271.30 : x
  2. Step 2: Convert to fraction form
    2,331,816.87/3,217,822.32 = 1,299,271.30/x
  3. Step 3: Cross multiply
    2,331,816.87x = 3,217,822.32 × 1,299,271.30
  4. Step 4: Simplify right side
    2,331,816.87x = 4,180,824,188,875.42
  5. Step 5: Solve for x
    x = 4,180,824,188,875.42/2,331,816.87
  6. Step 6: Final answer
    x = 1,792,947.05

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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.