Home / 5,133,784.88-7,085,016.54-2,928,696.20

Finding the Fourth Proportional to 5,133,784.88, 7,085,016.54 and 2,928,696.20

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Solution

The fourth proportional to 5,133,784.88, 7,085,016.54 and 2,928,696.20 is: 4,041,825.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133,784.88 : 7,085,016.54 = 2,928,696.20 : x
  2. Step 2: Convert to fraction form
    5,133,784.88/7,085,016.54 = 2,928,696.20/x
  3. Step 3: Cross multiply
    5,133,784.88x = 7,085,016.54 × 2,928,696.20
  4. Step 4: Simplify right side
    5,133,784.88x = 20,749,861,017,635.15
  5. Step 5: Solve for x
    x = 20,749,861,017,635.15/5,133,784.88
  6. Step 6: Final answer
    x = 4,041,825.18

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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.