Home / 5,461,222.71-7,539,320.87-3,989,478.66

Finding the Fourth Proportional to 5,461,222.71, 7,539,320.87 and 3,989,478.66

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Solution

The fourth proportional to 5,461,222.71, 7,539,320.87 and 3,989,478.66 is: 5,507,550.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461,222.71 : 7,539,320.87 = 3,989,478.66 : x
  2. Step 2: Convert to fraction form
    5,461,222.71/7,539,320.87 = 3,989,478.66/x
  3. Step 3: Cross multiply
    5,461,222.71x = 7,539,320.87 × 3,989,478.66
  4. Step 4: Simplify right side
    5,461,222.71x = 30,077,959,760,003.78
  5. Step 5: Solve for x
    x = 30,077,959,760,003.78/5,461,222.71
  6. Step 6: Final answer
    x = 5,507,550.48

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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.