Home / 2,852,686.80-4,279,227.06-830,947.50

Finding the Fourth Proportional to 2,852,686.80, 4,279,227.06 and 830,947.50

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Solution

The fourth proportional to 2,852,686.80, 4,279,227.06 and 830,947.50 is: 1,246,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852,686.80 : 4,279,227.06 = 830,947.50 : x
  2. Step 2: Convert to fraction form
    2,852,686.80/4,279,227.06 = 830,947.50/x
  3. Step 3: Cross multiply
    2,852,686.80x = 4,279,227.06 × 830,947.50
  4. Step 4: Simplify right side
    2,852,686.80x = 3,555,813,027,439.35
  5. Step 5: Solve for x
    x = 3,555,813,027,439.35/2,852,686.80
  6. Step 6: Final answer
    x = 1,246,478.59

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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.