Home / 5,398,045.90-8,091,884.85-3,121,233.10

Finding the Fourth Proportional to 5,398,045.90, 8,091,884.85 and 3,121,233.10

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Solution

The fourth proportional to 5,398,045.90, 8,091,884.85 and 3,121,233.10 is: 4,678,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398,045.90 : 8,091,884.85 = 3,121,233.10 : x
  2. Step 2: Convert to fraction form
    5,398,045.90/8,091,884.85 = 3,121,233.10/x
  3. Step 3: Cross multiply
    5,398,045.90x = 8,091,884.85 × 3,121,233.10
  4. Step 4: Simplify right side
    5,398,045.90x = 25,256,658,835,208.54
  5. Step 5: Solve for x
    x = 25,256,658,835,208.54/5,398,045.90
  6. Step 6: Final answer
    x = 4,678,852.18

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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.