Home / 3,291,695.80-4,542,363.32-1,821,539.80

Finding the Fourth Proportional to 3,291,695.80, 4,542,363.32 and 1,821,539.80

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Solution

The fourth proportional to 3,291,695.80, 4,542,363.32 and 1,821,539.80 is: 2,513,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291,695.80 : 4,542,363.32 = 1,821,539.80 : x
  2. Step 2: Convert to fraction form
    3,291,695.80/4,542,363.32 = 1,821,539.80/x
  3. Step 3: Cross multiply
    3,291,695.80x = 4,542,363.32 × 1,821,539.80
  4. Step 4: Simplify right side
    3,291,695.80x = 8,274,095,573,440.14
  5. Step 5: Solve for x
    x = 8,274,095,573,440.14/3,291,695.80
  6. Step 6: Final answer
    x = 2,513,627.04

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Double scale
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1.5x scale

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.