Home / 2,289,690.96-3,159,615.12-1,271,015.52

Finding the Fourth Proportional to 2,289,690.96, 3,159,615.12 and 1,271,015.52

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Solution

The fourth proportional to 2,289,690.96, 3,159,615.12 and 1,271,015.52 is: 1,753,913.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,690.96 : 3,159,615.12 = 1,271,015.52 : x
  2. Step 2: Convert to fraction form
    2,289,690.96/3,159,615.12 = 1,271,015.52/x
  3. Step 3: Cross multiply
    2,289,690.96x = 3,159,615.12 × 1,271,015.52
  4. Step 4: Simplify right side
    2,289,690.96x = 4,015,919,854,746.66
  5. Step 5: Solve for x
    x = 4,015,919,854,746.66/2,289,690.96
  6. Step 6: Final answer
    x = 1,753,913.49

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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.