Home / 1,783,205.40-2,674,808.10-1,027,378.20

Finding the Fourth Proportional to 1,783,205.40, 2,674,808.10 and 1,027,378.20

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Solution

The fourth proportional to 1,783,205.40, 2,674,808.10 and 1,027,378.20 is: 1,541,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,205.40 : 2,674,808.10 = 1,027,378.20 : x
  2. Step 2: Convert to fraction form
    1,783,205.40/2,674,808.10 = 1,027,378.20/x
  3. Step 3: Cross multiply
    1,783,205.40x = 2,674,808.10 × 1,027,378.20
  4. Step 4: Simplify right side
    1,783,205.40x = 2,748,039,531,123.42
  5. Step 5: Solve for x
    x = 2,748,039,531,123.42/1,783,205.40
  6. Step 6: Final answer
    x = 1,541,067.30

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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.