Home / 3,445,378.12-5,169,153.34-1,623,669.56

Finding the Fourth Proportional to 3,445,378.12, 5,169,153.34 and 1,623,669.56

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Solution

The fourth proportional to 3,445,378.12, 5,169,153.34 and 1,623,669.56 is: 2,436,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,378.12 : 5,169,153.34 = 1,623,669.56 : x
  2. Step 2: Convert to fraction form
    3,445,378.12/5,169,153.34 = 1,623,669.56/x
  3. Step 3: Cross multiply
    3,445,378.12x = 5,169,153.34 × 1,623,669.56
  4. Step 4: Simplify right side
    3,445,378.12x = 8,392,996,929,130.33
  5. Step 5: Solve for x
    x = 8,392,996,929,130.33/3,445,378.12
  6. Step 6: Final answer
    x = 2,436,016.20

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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.