Home / 5,209,752.89-7,821,787.37-2,652,685.76

Finding the Fourth Proportional to 5,209,752.89, 7,821,787.37 and 2,652,685.76

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Solution

The fourth proportional to 5,209,752.89, 7,821,787.37 and 2,652,685.76 is: 3,982,673.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,752.89 : 7,821,787.37 = 2,652,685.76 : x
  2. Step 2: Convert to fraction form
    5,209,752.89/7,821,787.37 = 2,652,685.76/x
  3. Step 3: Cross multiply
    5,209,752.89x = 7,821,787.37 × 2,652,685.76
  4. Step 4: Simplify right side
    5,209,752.89x = 20,748,743,921,774.48
  5. Step 5: Solve for x
    x = 20,748,743,921,774.48/5,209,752.89
  6. Step 6: Final answer
    x = 3,982,673.34

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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.