Home / 4,155,911.20-6,234,061.20-1,316,245.60

Finding the Fourth Proportional to 4,155,911.20, 6,234,061.20 and 1,316,245.60

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Solution

The fourth proportional to 4,155,911.20, 6,234,061.20 and 1,316,245.60 is: 1,974,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155,911.20 : 6,234,061.20 = 1,316,245.60 : x
  2. Step 2: Convert to fraction form
    4,155,911.20/6,234,061.20 = 1,316,245.60/x
  3. Step 3: Cross multiply
    4,155,911.20x = 6,234,061.20 × 1,316,245.60
  4. Step 4: Simplify right side
    4,155,911.20x = 8,205,555,624,630.72
  5. Step 5: Solve for x
    x = 8,205,555,624,630.72/4,155,911.20
  6. Step 6: Final answer
    x = 1,974,429.97

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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.