Home / 5,461,409.54-7,539,578.57-3,989,665.82

Finding the Fourth Proportional to 5,461,409.54, 7,539,578.57 and 3,989,665.82

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Solution

The fourth proportional to 5,461,409.54, 7,539,578.57 and 3,989,665.82 is: 5,507,808.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461,409.54 : 7,539,578.57 = 3,989,665.82 : x
  2. Step 2: Convert to fraction form
    5,461,409.54/7,539,578.57 = 3,989,665.82/x
  3. Step 3: Cross multiply
    5,461,409.54x = 7,539,578.57 × 3,989,665.82
  4. Step 4: Simplify right side
    5,461,409.54x = 30,080,398,917,933.48
  5. Step 5: Solve for x
    x = 30,080,398,917,933.48/5,461,409.54
  6. Step 6: Final answer
    x = 5,507,808.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.