Home / 3,612,420.28-5,419,427.31-1,053,835.31

Finding the Fourth Proportional to 3,612,420.28, 5,419,427.31 and 1,053,835.31

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Solution

The fourth proportional to 3,612,420.28, 5,419,427.31 and 1,053,835.31 is: 1,580,985.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,420.28 : 5,419,427.31 = 1,053,835.31 : x
  2. Step 2: Convert to fraction form
    3,612,420.28/5,419,427.31 = 1,053,835.31/x
  3. Step 3: Cross multiply
    3,612,420.28x = 5,419,427.31 × 1,053,835.31
  4. Step 4: Simplify right side
    3,612,420.28x = 5,711,183,872,804.88
  5. Step 5: Solve for x
    x = 5,711,183,872,804.88/3,612,420.28
  6. Step 6: Final answer
    x = 1,580,985.44

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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.