Home / 5,611,428.56-7,746,348.36-3,287,998.16

Finding the Fourth Proportional to 5,611,428.56, 7,746,348.36 and 3,287,998.16

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Solution

The fourth proportional to 5,611,428.56, 7,746,348.36 and 3,287,998.16 is: 4,538,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611,428.56 : 7,746,348.36 = 3,287,998.16 : x
  2. Step 2: Convert to fraction form
    5,611,428.56/7,746,348.36 = 3,287,998.16/x
  3. Step 3: Cross multiply
    5,611,428.56x = 7,746,348.36 × 3,287,998.16
  4. Step 4: Simplify right side
    5,611,428.56x = 25,469,979,154,399.02
  5. Step 5: Solve for x
    x = 25,469,979,154,399.02/5,611,428.56
  6. Step 6: Final answer
    x = 4,538,947.41

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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.