Home / 2,991,408.60-4,487,112.90-2,660,734.20

Finding the Fourth Proportional to 2,991,408.60, 4,487,112.90 and 2,660,734.20

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Solution

The fourth proportional to 2,991,408.60, 4,487,112.90 and 2,660,734.20 is: 3,991,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,408.60 : 4,487,112.90 = 2,660,734.20 : x
  2. Step 2: Convert to fraction form
    2,991,408.60/4,487,112.90 = 2,660,734.20/x
  3. Step 3: Cross multiply
    2,991,408.60x = 4,487,112.90 × 2,660,734.20
  4. Step 4: Simplify right side
    2,991,408.60x = 11,939,014,752,291.18
  5. Step 5: Solve for x
    x = 11,939,014,752,291.18/2,991,408.60
  6. Step 6: Final answer
    x = 3,991,101.30

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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.