Home / 3,214,582.40-4,820,121.60-970,428.80

Finding the Fourth Proportional to 3,214,582.40, 4,820,121.60 and 970,428.80

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Solution

The fourth proportional to 3,214,582.40, 4,820,121.60 and 970,428.80 is: 1,455,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214,582.40 : 4,820,121.60 = 970,428.80 : x
  2. Step 2: Convert to fraction form
    3,214,582.40/4,820,121.60 = 970,428.80/x
  3. Step 3: Cross multiply
    3,214,582.40x = 4,820,121.60 × 970,428.80
  4. Step 4: Simplify right side
    3,214,582.40x = 4,677,584,820,142.08
  5. Step 5: Solve for x
    x = 4,677,584,820,142.08/3,214,582.40
  6. Step 6: Final answer
    x = 1,455,114.30

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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.