Home / 3,214,616.40-4,820,172.60-970,462.80

Finding the Fourth Proportional to 3,214,616.40, 4,820,172.60 and 970,462.80

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Solution

The fourth proportional to 3,214,616.40, 4,820,172.60 and 970,462.80 is: 1,455,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214,616.40 : 4,820,172.60 = 970,462.80 : x
  2. Step 2: Convert to fraction form
    3,214,616.40/4,820,172.60 = 970,462.80/x
  3. Step 3: Cross multiply
    3,214,616.40x = 4,820,172.60 × 970,462.80
  4. Step 4: Simplify right side
    3,214,616.40x = 4,677,798,197,879.28
  5. Step 5: Solve for x
    x = 4,677,798,197,879.28/3,214,616.40
  6. Step 6: Final answer
    x = 1,455,165.29

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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.