Home / 2,919,418.88-4,028,760-1,630,281.92

Finding the Fourth Proportional to 2,919,418.88, 4,028,760 and 1,630,281.92

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Solution

The fourth proportional to 2,919,418.88, 4,028,760 and 1,630,281.92 is: 2,249,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,418.88 : 4,028,760 = 1,630,281.92 : x
  2. Step 2: Convert to fraction form
    2,919,418.88/4,028,760 = 1,630,281.92/x
  3. Step 3: Cross multiply
    2,919,418.88x = 4,028,760 × 1,630,281.92
  4. Step 4: Simplify right side
    2,919,418.88x = 6,568,014,588,019.20
  5. Step 5: Solve for x
    x = 6,568,014,588,019.20/2,919,418.88
  6. Step 6: Final answer
    x = 2,249,767.80

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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.