Home / 4,119,439.20-6,180,325.20-1,279,838.40

Finding the Fourth Proportional to 4,119,439.20, 6,180,325.20 and 1,279,838.40

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Solution

The fourth proportional to 4,119,439.20, 6,180,325.20 and 1,279,838.40 is: 1,920,119.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,439.20 : 6,180,325.20 = 1,279,838.40 : x
  2. Step 2: Convert to fraction form
    4,119,439.20/6,180,325.20 = 1,279,838.40/x
  3. Step 3: Cross multiply
    4,119,439.20x = 6,180,325.20 × 1,279,838.40
  4. Step 4: Simplify right side
    4,119,439.20x = 7,909,817,515,447.68
  5. Step 5: Solve for x
    x = 7,909,817,515,447.68/4,119,439.20
  6. Step 6: Final answer
    x = 1,920,119.98

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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.