Home / 5,209,879.83-7,814,110.29-1,371,380.76

Finding the Fourth Proportional to 5,209,879.83, 7,814,110.29 and 1,371,380.76

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Solution

The fourth proportional to 5,209,879.83, 7,814,110.29 and 1,371,380.76 is: 2,056,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,879.83 : 7,814,110.29 = 1,371,380.76 : x
  2. Step 2: Convert to fraction form
    5,209,879.83/7,814,110.29 = 1,371,380.76/x
  3. Step 3: Cross multiply
    5,209,879.83x = 7,814,110.29 × 1,371,380.76
  4. Step 4: Simplify right side
    5,209,879.83x = 10,716,120,508,224.02
  5. Step 5: Solve for x
    x = 10,716,120,508,224.02/5,209,879.83
  6. Step 6: Final answer
    x = 2,056,884.39

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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.