Home / 5,461,261.47-7,539,374.06-3,989,517.44

Finding the Fourth Proportional to 5,461,261.47, 7,539,374.06 and 3,989,517.44

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Solution

The fourth proportional to 5,461,261.47, 7,539,374.06 and 3,989,517.44 is: 5,507,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461,261.47 : 7,539,374.06 = 3,989,517.44 : x
  2. Step 2: Convert to fraction form
    5,461,261.47/7,539,374.06 = 3,989,517.44/x
  3. Step 3: Cross multiply
    5,461,261.47x = 7,539,374.06 × 3,989,517.44
  4. Step 4: Simplify right side
    5,461,261.47x = 30,078,464,241,409.15
  5. Step 5: Solve for x
    x = 30,078,464,241,409.15/5,461,261.47
  6. Step 6: Final answer
    x = 5,507,603.77

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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.