Home / 3,219,521.88-4,441,971.32-1,929,891.72

Finding the Fourth Proportional to 3,219,521.88, 4,441,971.32 and 1,929,891.72

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Solution

The fourth proportional to 3,219,521.88, 4,441,971.32 and 1,929,891.72 is: 2,662,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,521.88 : 4,441,971.32 = 1,929,891.72 : x
  2. Step 2: Convert to fraction form
    3,219,521.88/4,441,971.32 = 1,929,891.72/x
  3. Step 3: Cross multiply
    3,219,521.88x = 4,441,971.32 × 1,929,891.72
  4. Step 4: Simplify right side
    3,219,521.88x = 8,572,523,670,945.47
  5. Step 5: Solve for x
    x = 8,572,523,670,945.47/3,219,521.88
  6. Step 6: Final answer
    x = 2,662,669.80

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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.