Home / 3,458,005.16-5,187,256.88-1,328,089.30

Finding the Fourth Proportional to 3,458,005.16, 5,187,256.88 and 1,328,089.30

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Solution

The fourth proportional to 3,458,005.16, 5,187,256.88 and 1,328,089.30 is: 1,992,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458,005.16 : 5,187,256.88 = 1,328,089.30 : x
  2. Step 2: Convert to fraction form
    3,458,005.16/5,187,256.88 = 1,328,089.30/x
  3. Step 3: Cross multiply
    3,458,005.16x = 5,187,256.88 × 1,328,089.30
  4. Step 4: Simplify right side
    3,458,005.16x = 6,889,140,339,070.80
  5. Step 5: Solve for x
    x = 6,889,140,339,070.80/3,458,005.16
  6. Step 6: Final answer
    x = 1,992,229.63

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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.