Home / 2,112,765.40-3,169,148.10-616,857.40

Finding the Fourth Proportional to 2,112,765.40, 3,169,148.10 and 616,857.40

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Solution

The fourth proportional to 2,112,765.40, 3,169,148.10 and 616,857.40 is: 925,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,765.40 : 3,169,148.10 = 616,857.40 : x
  2. Step 2: Convert to fraction form
    2,112,765.40/3,169,148.10 = 616,857.40/x
  3. Step 3: Cross multiply
    2,112,765.40x = 3,169,148.10 × 616,857.40
  4. Step 4: Simplify right side
    2,112,765.40x = 1,954,912,457,180.94
  5. Step 5: Solve for x
    x = 1,954,912,457,180.94/2,112,765.40
  6. Step 6: Final answer
    x = 925,286.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.