Home / 1,581,855.02-2,182,947.60-856,685.96

Finding the Fourth Proportional to 1,581,855.02, 2,182,947.60 and 856,685.96

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Solution

The fourth proportional to 1,581,855.02, 2,182,947.60 and 856,685.96 is: 1,182,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,855.02 : 2,182,947.60 = 856,685.96 : x
  2. Step 2: Convert to fraction form
    1,581,855.02/2,182,947.60 = 856,685.96/x
  3. Step 3: Cross multiply
    1,581,855.02x = 2,182,947.60 × 856,685.96
  4. Step 4: Simplify right side
    1,581,855.02x = 1,870,100,560,335.70
  5. Step 5: Solve for x
    x = 1,870,100,560,335.70/1,581,855.02
  6. Step 6: Final answer
    x = 1,182,219.95

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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.