Home / 3,992,360.86-5,990,256.87-1,297,511.92

Finding the Fourth Proportional to 3,992,360.86, 5,990,256.87 and 1,297,511.92

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Solution

The fourth proportional to 3,992,360.86, 5,990,256.87 and 1,297,511.92 is: 1,946,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,360.86 : 5,990,256.87 = 1,297,511.92 : x
  2. Step 2: Convert to fraction form
    3,992,360.86/5,990,256.87 = 1,297,511.92/x
  3. Step 3: Cross multiply
    3,992,360.86x = 5,990,256.87 × 1,297,511.92
  4. Step 4: Simplify right side
    3,992,360.86x = 7,772,429,692,686.89
  5. Step 5: Solve for x
    x = 7,772,429,692,686.89/3,992,360.86
  6. Step 6: Final answer
    x = 1,946,825.44

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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.