Home / 1,638,115.20-2,457,172.80-1,464,904.80

Finding the Fourth Proportional to 1,638,115.20, 2,457,172.80 and 1,464,904.80

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Solution

The fourth proportional to 1,638,115.20, 2,457,172.80 and 1,464,904.80 is: 2,197,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,115.20 : 2,457,172.80 = 1,464,904.80 : x
  2. Step 2: Convert to fraction form
    1,638,115.20/2,457,172.80 = 1,464,904.80/x
  3. Step 3: Cross multiply
    1,638,115.20x = 2,457,172.80 × 1,464,904.80
  4. Step 4: Simplify right side
    1,638,115.20x = 3,599,524,229,149.44
  5. Step 5: Solve for x
    x = 3,599,524,229,149.44/1,638,115.20
  6. Step 6: Final answer
    x = 2,197,357.20

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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.