Home / 2,115,482.40-2,915,321.22-2,076,612.12

Finding the Fourth Proportional to 2,115,482.40, 2,915,321.22 and 2,076,612.12

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Solution

The fourth proportional to 2,115,482.40, 2,915,321.22 and 2,076,612.12 is: 2,861,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,482.40 : 2,915,321.22 = 2,076,612.12 : x
  2. Step 2: Convert to fraction form
    2,115,482.40/2,915,321.22 = 2,076,612.12/x
  3. Step 3: Cross multiply
    2,115,482.40x = 2,915,321.22 × 2,076,612.12
  4. Step 4: Simplify right side
    2,115,482.40x = 6,053,991,379,145.19
  5. Step 5: Solve for x
    x = 6,053,991,379,145.19/2,115,482.40
  6. Step 6: Final answer
    x = 2,861,754.55

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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.