Home / 3,179,070.16-4,387,232.00-1,821,205.60

Finding the Fourth Proportional to 3,179,070.16, 4,387,232.00 and 1,821,205.60

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Solution

The fourth proportional to 3,179,070.16, 4,387,232.00 and 1,821,205.60 is: 2,513,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,070.16 : 4,387,232.00 = 1,821,205.60 : x
  2. Step 2: Convert to fraction form
    3,179,070.16/4,387,232.00 = 1,821,205.60/x
  3. Step 3: Cross multiply
    3,179,070.16x = 4,387,232.00 × 1,821,205.60
  4. Step 4: Simplify right side
    3,179,070.16x = 7,990,051,480,484.14
  5. Step 5: Solve for x
    x = 7,990,051,480,484.14/3,179,070.16
  6. Step 6: Final answer
    x = 2,513,329.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.