Home / 2,878,283.32-3,972,005.58-1,589,096.20

Finding the Fourth Proportional to 2,878,283.32, 3,972,005.58 and 1,589,096.20

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Solution

The fourth proportional to 2,878,283.32, 3,972,005.58 and 1,589,096.20 is: 2,192,938.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,283.32 : 3,972,005.58 = 1,589,096.20 : x
  2. Step 2: Convert to fraction form
    2,878,283.32/3,972,005.58 = 1,589,096.20/x
  3. Step 3: Cross multiply
    2,878,283.32x = 3,972,005.58 × 1,589,096.20
  4. Step 4: Simplify right side
    2,878,283.32x = 6,311,898,973,556.80
  5. Step 5: Solve for x
    x = 6,311,898,973,556.80/2,878,283.32
  6. Step 6: Final answer
    x = 2,192,938.73

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Double scale
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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.