Home / 5,638,347.18-8,457,520.77-1,378,464.84

Finding the Fourth Proportional to 5,638,347.18, 8,457,520.77 and 1,378,464.84

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Solution

The fourth proportional to 5,638,347.18, 8,457,520.77 and 1,378,464.84 is: 2,067,697.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,347.18 : 8,457,520.77 = 1,378,464.84 : x
  2. Step 2: Convert to fraction form
    5,638,347.18/8,457,520.77 = 1,378,464.84/x
  3. Step 3: Cross multiply
    5,638,347.18x = 8,457,520.77 × 1,378,464.84
  4. Step 4: Simplify right side
    5,638,347.18x = 11,658,395,015,014.73
  5. Step 5: Solve for x
    x = 11,658,395,015,014.73/5,638,347.18
  6. Step 6: Final answer
    x = 2,067,697.26

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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.