Home / 2,926,919.34-4,390,379.01-1,929,414.06

Finding the Fourth Proportional to 2,926,919.34, 4,390,379.01 and 1,929,414.06

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Solution

The fourth proportional to 2,926,919.34, 4,390,379.01 and 1,929,414.06 is: 2,894,121.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926,919.34 : 4,390,379.01 = 1,929,414.06 : x
  2. Step 2: Convert to fraction form
    2,926,919.34/4,390,379.01 = 1,929,414.06/x
  3. Step 3: Cross multiply
    2,926,919.34x = 4,390,379.01 × 1,929,414.06
  4. Step 4: Simplify right side
    2,926,919.34x = 8,470,858,990,622.88
  5. Step 5: Solve for x
    x = 8,470,858,990,622.88/2,926,919.34
  6. Step 6: Final answer
    x = 2,894,121.09

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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.