Home / 5,461,261.48-7,539,374.05-3,989,517.43

Finding the Fourth Proportional to 5,461,261.48, 7,539,374.05 and 3,989,517.43

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Solution

The fourth proportional to 5,461,261.48, 7,539,374.05 and 3,989,517.43 is: 5,507,603.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461,261.48 : 7,539,374.05 = 3,989,517.43 : x
  2. Step 2: Convert to fraction form
    5,461,261.48/7,539,374.05 = 3,989,517.43/x
  3. Step 3: Cross multiply
    5,461,261.48x = 7,539,374.05 × 3,989,517.43
  4. Step 4: Simplify right side
    5,461,261.48x = 30,078,464,154,942.46
  5. Step 5: Solve for x
    x = 30,078,464,154,942.46/5,461,261.48
  6. Step 6: Final answer
    x = 5,507,603.74

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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.