Home / 2,890,189.28-3,988,409.01-1,601,025.68

Finding the Fourth Proportional to 2,890,189.28, 3,988,409.01 and 1,601,025.68

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Solution

The fourth proportional to 2,890,189.28, 3,988,409.01 and 1,601,025.68 is: 2,209,386.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,189.28 : 3,988,409.01 = 1,601,025.68 : x
  2. Step 2: Convert to fraction form
    2,890,189.28/3,988,409.01 = 1,601,025.68/x
  3. Step 3: Cross multiply
    2,890,189.28x = 3,988,409.01 × 1,601,025.68
  4. Step 4: Simplify right side
    2,890,189.28x = 6,385,545,247,353.38
  5. Step 5: Solve for x
    x = 6,385,545,247,353.38/2,890,189.28
  6. Step 6: Final answer
    x = 2,209,386.52

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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.