Home / 3,187,645.20-4,781,467.80-1,057,798.80

Finding the Fourth Proportional to 3,187,645.20, 4,781,467.80 and 1,057,798.80

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Solution

The fourth proportional to 3,187,645.20, 4,781,467.80 and 1,057,798.80 is: 1,586,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,645.20 : 4,781,467.80 = 1,057,798.80 : x
  2. Step 2: Convert to fraction form
    3,187,645.20/4,781,467.80 = 1,057,798.80/x
  3. Step 3: Cross multiply
    3,187,645.20x = 4,781,467.80 × 1,057,798.80
  4. Step 4: Simplify right side
    3,187,645.20x = 5,057,830,901,078.64
  5. Step 5: Solve for x
    x = 5,057,830,901,078.64/3,187,645.20
  6. Step 6: Final answer
    x = 1,586,698.20

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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.