Home / 5,256,781.20-7,884,588.60-1,470,646.80

Finding the Fourth Proportional to 5,256,781.20, 7,884,588.60 and 1,470,646.80

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Solution

The fourth proportional to 5,256,781.20, 7,884,588.60 and 1,470,646.80 is: 2,205,807.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256,781.20 : 7,884,588.60 = 1,470,646.80 : x
  2. Step 2: Convert to fraction form
    5,256,781.20/7,884,588.60 = 1,470,646.80/x
  3. Step 3: Cross multiply
    5,256,781.20x = 7,884,588.60 × 1,470,646.80
  4. Step 4: Simplify right side
    5,256,781.20x = 11,595,444,993,906.48
  5. Step 5: Solve for x
    x = 11,595,444,993,906.48/5,256,781.20
  6. Step 6: Final answer
    x = 2,205,807.04

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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.