Home / 2,470,228.40-3,705,342.60-787,331.90

Finding the Fourth Proportional to 2,470,228.40, 3,705,342.60 and 787,331.90

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Solution

The fourth proportional to 2,470,228.40, 3,705,342.60 and 787,331.90 is: 1,180,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470,228.40 : 3,705,342.60 = 787,331.90 : x
  2. Step 2: Convert to fraction form
    2,470,228.40/3,705,342.60 = 787,331.90/x
  3. Step 3: Cross multiply
    2,470,228.40x = 3,705,342.60 × 787,331.90
  4. Step 4: Simplify right side
    2,470,228.40x = 2,917,334,429,408.94
  5. Step 5: Solve for x
    x = 2,917,334,429,408.94/2,470,228.40
  6. Step 6: Final answer
    x = 1,180,997.85

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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.