Home / 2,929,539.72-4,042,797.15-1,622,811.78

Finding the Fourth Proportional to 2,929,539.72, 4,042,797.15 and 1,622,811.78

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Solution

The fourth proportional to 2,929,539.72, 4,042,797.15 and 1,622,811.78 is: 2,239,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,539.72 : 4,042,797.15 = 1,622,811.78 : x
  2. Step 2: Convert to fraction form
    2,929,539.72/4,042,797.15 = 1,622,811.78/x
  3. Step 3: Cross multiply
    2,929,539.72x = 4,042,797.15 × 1,622,811.78
  4. Step 4: Simplify right side
    2,929,539.72x = 6,560,698,810,842.38
  5. Step 5: Solve for x
    x = 6,560,698,810,842.38/2,929,539.72
  6. Step 6: Final answer
    x = 2,239,498.16

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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.