Home / 2,890,196.28-3,988,418.66-1,601,032.68

Finding the Fourth Proportional to 2,890,196.28, 3,988,418.66 and 1,601,032.68

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Solution

The fourth proportional to 2,890,196.28, 3,988,418.66 and 1,601,032.68 is: 2,209,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,196.28 : 3,988,418.66 = 1,601,032.68 : x
  2. Step 2: Convert to fraction form
    2,890,196.28/3,988,418.66 = 1,601,032.68/x
  3. Step 3: Cross multiply
    2,890,196.28x = 3,988,418.66 × 1,601,032.68
  4. Step 4: Simplify right side
    2,890,196.28x = 6,385,588,616,181.81
  5. Step 5: Solve for x
    x = 6,385,588,616,181.81/2,890,196.28
  6. Step 6: Final answer
    x = 2,209,396.18

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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.