Home / 3,164,571.92-4,746,857.80-768,400.40

Finding the Fourth Proportional to 3,164,571.92, 4,746,857.80 and 768,400.40

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Solution

The fourth proportional to 3,164,571.92, 4,746,857.80 and 768,400.40 is: 1,152,600.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164,571.92 : 4,746,857.80 = 768,400.40 : x
  2. Step 2: Convert to fraction form
    3,164,571.92/4,746,857.80 = 768,400.40/x
  3. Step 3: Cross multiply
    3,164,571.92x = 4,746,857.80 × 768,400.40
  4. Step 4: Simplify right side
    3,164,571.92x = 3,647,487,432,263.12
  5. Step 5: Solve for x
    x = 3,647,487,432,263.12/3,164,571.92
  6. Step 6: Final answer
    x = 1,152,600.58

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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.