Home / 2,159,036.80-3,236,481.60-1,678,998.40

Finding the Fourth Proportional to 2,159,036.80, 3,236,481.60 and 1,678,998.40

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Solution

The fourth proportional to 2,159,036.80, 3,236,481.60 and 1,678,998.40 is: 2,516,885.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,036.80 : 3,236,481.60 = 1,678,998.40 : x
  2. Step 2: Convert to fraction form
    2,159,036.80/3,236,481.60 = 1,678,998.40/x
  3. Step 3: Cross multiply
    2,159,036.80x = 3,236,481.60 × 1,678,998.40
  4. Step 4: Simplify right side
    2,159,036.80x = 5,434,047,428,029.44
  5. Step 5: Solve for x
    x = 5,434,047,428,029.44/2,159,036.80
  6. Step 6: Final answer
    x = 2,516,885.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.