Home / 2,960,705.20-4,441,495.20-939,139.60

Finding the Fourth Proportional to 2,960,705.20, 4,441,495.20 and 939,139.60

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Solution

The fourth proportional to 2,960,705.20, 4,441,495.20 and 939,139.60 is: 1,408,848.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960,705.20 : 4,441,495.20 = 939,139.60 : x
  2. Step 2: Convert to fraction form
    2,960,705.20/4,441,495.20 = 939,139.60/x
  3. Step 3: Cross multiply
    2,960,705.20x = 4,441,495.20 × 939,139.60
  4. Step 4: Simplify right side
    2,960,705.20x = 4,171,184,025,529.92
  5. Step 5: Solve for x
    x = 4,171,184,025,529.92/2,960,705.20
  6. Step 6: Final answer
    x = 1,408,848.14

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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.