Home / 3,321,509.10-4,982,004.45-1,299,360.30

Finding the Fourth Proportional to 3,321,509.10, 4,982,004.45 and 1,299,360.30

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Solution

The fourth proportional to 3,321,509.10, 4,982,004.45 and 1,299,360.30 is: 1,948,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,509.10 : 4,982,004.45 = 1,299,360.30 : x
  2. Step 2: Convert to fraction form
    3,321,509.10/4,982,004.45 = 1,299,360.30/x
  3. Step 3: Cross multiply
    3,321,509.10x = 4,982,004.45 × 1,299,360.30
  4. Step 4: Simplify right side
    3,321,509.10x = 6,473,418,796,753.34
  5. Step 5: Solve for x
    x = 6,473,418,796,753.34/3,321,509.10
  6. Step 6: Final answer
    x = 1,948,939.05

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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.