Home / 2,922,817.20-4,382,152.20-1,326,145.20

Finding the Fourth Proportional to 2,922,817.20, 4,382,152.20 and 1,326,145.20

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Solution

The fourth proportional to 2,922,817.20, 4,382,152.20 and 1,326,145.20 is: 1,988,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922,817.20 : 4,382,152.20 = 1,326,145.20 : x
  2. Step 2: Convert to fraction form
    2,922,817.20/4,382,152.20 = 1,326,145.20/x
  3. Step 3: Cross multiply
    2,922,817.20x = 4,382,152.20 × 1,326,145.20
  4. Step 4: Simplify right side
    2,922,817.20x = 5,811,370,105,699.44
  5. Step 5: Solve for x
    x = 5,811,370,105,699.44/2,922,817.20
  6. Step 6: Final answer
    x = 1,988,276.96

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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.