Home / 2,882,970.30-3,977,838.96-1,721,190.44

Finding the Fourth Proportional to 2,882,970.30, 3,977,838.96 and 1,721,190.44

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Solution

The fourth proportional to 2,882,970.30, 3,977,838.96 and 1,721,190.44 is: 2,374,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882,970.30 : 3,977,838.96 = 1,721,190.44 : x
  2. Step 2: Convert to fraction form
    2,882,970.30/3,977,838.96 = 1,721,190.44/x
  3. Step 3: Cross multiply
    2,882,970.30x = 3,977,838.96 × 1,721,190.44
  4. Step 4: Simplify right side
    2,882,970.30x = 6,846,618,389,811.54
  5. Step 5: Solve for x
    x = 6,846,618,389,811.54/2,882,970.30
  6. Step 6: Final answer
    x = 2,374,848.74

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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.