Home / 2,830,661.20-4,245,991.80-2,784,005.20

Finding the Fourth Proportional to 2,830,661.20, 4,245,991.80 and 2,784,005.20

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Solution

The fourth proportional to 2,830,661.20, 4,245,991.80 and 2,784,005.20 is: 4,176,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830,661.20 : 4,245,991.80 = 2,784,005.20 : x
  2. Step 2: Convert to fraction form
    2,830,661.20/4,245,991.80 = 2,784,005.20/x
  3. Step 3: Cross multiply
    2,830,661.20x = 4,245,991.80 × 2,784,005.20
  4. Step 4: Simplify right side
    2,830,661.20x = 11,820,863,250,357.36
  5. Step 5: Solve for x
    x = 11,820,863,250,357.36/2,830,661.20
  6. Step 6: Final answer
    x = 4,176,007.80

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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.