Home / 2,772,558.15-3,820,680-2,119,923.63

Finding the Fourth Proportional to 2,772,558.15, 3,820,680 and 2,119,923.63

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Solution

The fourth proportional to 2,772,558.15, 3,820,680 and 2,119,923.63 is: 2,921,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,558.15 : 3,820,680 = 2,119,923.63 : x
  2. Step 2: Convert to fraction form
    2,772,558.15/3,820,680 = 2,119,923.63/x
  3. Step 3: Cross multiply
    2,772,558.15x = 3,820,680 × 2,119,923.63
  4. Step 4: Simplify right side
    2,772,558.15x = 8,099,549,814,668.40
  5. Step 5: Solve for x
    x = 8,099,549,814,668.40/2,772,558.15
  6. Step 6: Final answer
    x = 2,921,327.30

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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.