Home / 2,768,091.20-4,152,136.80-2,319,318.80

Finding the Fourth Proportional to 2,768,091.20, 4,152,136.80 and 2,319,318.80

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Solution

The fourth proportional to 2,768,091.20, 4,152,136.80 and 2,319,318.80 is: 3,478,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,091.20 : 4,152,136.80 = 2,319,318.80 : x
  2. Step 2: Convert to fraction form
    2,768,091.20/4,152,136.80 = 2,319,318.80/x
  3. Step 3: Cross multiply
    2,768,091.20x = 4,152,136.80 × 2,319,318.80
  4. Step 4: Simplify right side
    2,768,091.20x = 9,630,128,940,411.84
  5. Step 5: Solve for x
    x = 9,630,128,940,411.84/2,768,091.20
  6. Step 6: Final answer
    x = 3,478,978.20

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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.