Home / 2,005,440.64-2,767,060.28-1,189,229.60

Finding the Fourth Proportional to 2,005,440.64, 2,767,060.28 and 1,189,229.60

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Solution

The fourth proportional to 2,005,440.64, 2,767,060.28 and 1,189,229.60 is: 1,640,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,440.64 : 2,767,060.28 = 1,189,229.60 : x
  2. Step 2: Convert to fraction form
    2,005,440.64/2,767,060.28 = 1,189,229.60/x
  3. Step 3: Cross multiply
    2,005,440.64x = 2,767,060.28 × 1,189,229.60
  4. Step 4: Simplify right side
    2,005,440.64x = 3,290,669,989,960.29
  5. Step 5: Solve for x
    x = 3,290,669,989,960.29/2,005,440.64
  6. Step 6: Final answer
    x = 1,640,871.30

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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.