Home / 3,016,028.22-4,160,457.99-1,911,438.78

Finding the Fourth Proportional to 3,016,028.22, 4,160,457.99 and 1,911,438.78

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Solution

The fourth proportional to 3,016,028.22, 4,160,457.99 and 1,911,438.78 is: 2,636,732.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016,028.22 : 4,160,457.99 = 1,911,438.78 : x
  2. Step 2: Convert to fraction form
    3,016,028.22/4,160,457.99 = 1,911,438.78/x
  3. Step 3: Cross multiply
    3,016,028.22x = 4,160,457.99 × 1,911,438.78
  4. Step 4: Simplify right side
    3,016,028.22x = 7,952,460,744,646.85
  5. Step 5: Solve for x
    x = 7,952,460,744,646.85/3,016,028.22
  6. Step 6: Final answer
    x = 2,636,732.87

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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.