Home / 2,638,816.32-3,641,573.58-1,431,592.32

Finding the Fourth Proportional to 2,638,816.32, 3,641,573.58 and 1,431,592.32

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Solution

The fourth proportional to 2,638,816.32, 3,641,573.58 and 1,431,592.32 is: 1,975,601.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,816.32 : 3,641,573.58 = 1,431,592.32 : x
  2. Step 2: Convert to fraction form
    2,638,816.32/3,641,573.58 = 1,431,592.32/x
  3. Step 3: Cross multiply
    2,638,816.32x = 3,641,573.58 × 1,431,592.32
  4. Step 4: Simplify right side
    2,638,816.32x = 5,213,248,769,842.91
  5. Step 5: Solve for x
    x = 5,213,248,769,842.91/2,638,816.32
  6. Step 6: Final answer
    x = 1,975,601.23

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Double scale
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Similar ratio
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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.