Home / 2,783,264.40-4,174,896.60-2,152,630.80

Finding the Fourth Proportional to 2,783,264.40, 4,174,896.60 and 2,152,630.80

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Solution

The fourth proportional to 2,783,264.40, 4,174,896.60 and 2,152,630.80 is: 3,228,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,264.40 : 4,174,896.60 = 2,152,630.80 : x
  2. Step 2: Convert to fraction form
    2,783,264.40/4,174,896.60 = 2,152,630.80/x
  3. Step 3: Cross multiply
    2,783,264.40x = 4,174,896.60 × 2,152,630.80
  4. Step 4: Simplify right side
    2,783,264.40x = 8,987,011,007,975.28
  5. Step 5: Solve for x
    x = 8,987,011,007,975.28/2,783,264.40
  6. Step 6: Final answer
    x = 3,228,946.20

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.