Home / 2,123,169.66-2,930,057.04-1,205,484.18

Finding the Fourth Proportional to 2,123,169.66, 2,930,057.04 and 1,205,484.18

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Solution

The fourth proportional to 2,123,169.66, 2,930,057.04 and 1,205,484.18 is: 1,663,615.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,169.66 : 2,930,057.04 = 1,205,484.18 : x
  2. Step 2: Convert to fraction form
    2,123,169.66/2,930,057.04 = 1,205,484.18/x
  3. Step 3: Cross multiply
    2,123,169.66x = 2,930,057.04 × 1,205,484.18
  4. Step 4: Simplify right side
    2,123,169.66x = 3,532,137,408,217.63
  5. Step 5: Solve for x
    x = 3,532,137,408,217.63/2,123,169.66
  6. Step 6: Final answer
    x = 1,663,615.24

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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.