Home / 1,949,311.58-2,921,728.52-1,220,162.54

Finding the Fourth Proportional to 1,949,311.58, 2,921,728.52 and 1,220,162.54

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Solution

The fourth proportional to 1,949,311.58, 2,921,728.52 and 1,220,162.54 is: 1,828,842.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,311.58 : 2,921,728.52 = 1,220,162.54 : x
  2. Step 2: Convert to fraction form
    1,949,311.58/2,921,728.52 = 1,220,162.54/x
  3. Step 3: Cross multiply
    1,949,311.58x = 2,921,728.52 × 1,220,162.54
  4. Step 4: Simplify right side
    1,949,311.58x = 3,564,983,680,595.40
  5. Step 5: Solve for x
    x = 3,564,983,680,595.40/1,949,311.58
  6. Step 6: Final answer
    x = 1,828,842.41

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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.