Home / 2,997,438.31-4,136,461.92-1,620,778.74

Finding the Fourth Proportional to 2,997,438.31, 4,136,461.92 and 1,620,778.74

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Solution

The fourth proportional to 2,997,438.31, 4,136,461.92 and 1,620,778.74 is: 2,236,673.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997,438.31 : 4,136,461.92 = 1,620,778.74 : x
  2. Step 2: Convert to fraction form
    2,997,438.31/4,136,461.92 = 1,620,778.74/x
  3. Step 3: Cross multiply
    2,997,438.31x = 4,136,461.92 × 1,620,778.74
  4. Step 4: Simplify right side
    2,997,438.31x = 6,704,289,538,755.58
  5. Step 5: Solve for x
    x = 6,704,289,538,755.58/2,997,438.31
  6. Step 6: Final answer
    x = 2,236,673.07

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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.