Home / 2,005,431.96-2,767,500.54-1,145,990.28

Finding the Fourth Proportional to 2,005,431.96, 2,767,500.54 and 1,145,990.28

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Solution

The fourth proportional to 2,005,431.96, 2,767,500.54 and 1,145,990.28 is: 1,581,469.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,431.96 : 2,767,500.54 = 1,145,990.28 : x
  2. Step 2: Convert to fraction form
    2,005,431.96/2,767,500.54 = 1,145,990.28/x
  3. Step 3: Cross multiply
    2,005,431.96x = 2,767,500.54 × 1,145,990.28
  4. Step 4: Simplify right side
    2,005,431.96x = 3,171,528,718,734.75
  5. Step 5: Solve for x
    x = 3,171,528,718,734.75/2,005,431.96
  6. Step 6: Final answer
    x = 1,581,469.12

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1.5x scale

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.