Home / 5,161,105.77-7,740,003.78-1,702,068.81

Finding the Fourth Proportional to 5,161,105.77, 7,740,003.78 and 1,702,068.81

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Solution

The fourth proportional to 5,161,105.77, 7,740,003.78 and 1,702,068.81 is: 2,552,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,105.77 : 7,740,003.78 = 1,702,068.81 : x
  2. Step 2: Convert to fraction form
    5,161,105.77/7,740,003.78 = 1,702,068.81/x
  3. Step 3: Cross multiply
    5,161,105.77x = 7,740,003.78 × 1,702,068.81
  4. Step 4: Simplify right side
    5,161,105.77x = 13,174,019,023,220.10
  5. Step 5: Solve for x
    x = 13,174,019,023,220.10/5,161,105.77
  6. Step 6: Final answer
    x = 2,552,557.46

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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.