Home / 2,037,856.40-3,056,687.40-689,886.80

Finding the Fourth Proportional to 2,037,856.40, 3,056,687.40 and 689,886.80

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Solution

The fourth proportional to 2,037,856.40, 3,056,687.40 and 689,886.80 is: 1,034,797.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037,856.40 : 3,056,687.40 = 689,886.80 : x
  2. Step 2: Convert to fraction form
    2,037,856.40/3,056,687.40 = 689,886.80/x
  3. Step 3: Cross multiply
    2,037,856.40x = 3,056,687.40 × 689,886.80
  4. Step 4: Simplify right side
    2,037,856.40x = 2,108,768,288,986.32
  5. Step 5: Solve for x
    x = 2,108,768,288,986.32/2,037,856.40
  6. Step 6: Final answer
    x = 1,034,797.29

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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.