Home / 3,119,936.80-4,679,905.20-2,092,484.20

Finding the Fourth Proportional to 3,119,936.80, 4,679,905.20 and 2,092,484.20

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Solution

The fourth proportional to 3,119,936.80, 4,679,905.20 and 2,092,484.20 is: 3,138,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,936.80 : 4,679,905.20 = 2,092,484.20 : x
  2. Step 2: Convert to fraction form
    3,119,936.80/4,679,905.20 = 2,092,484.20/x
  3. Step 3: Cross multiply
    3,119,936.80x = 4,679,905.20 × 2,092,484.20
  4. Step 4: Simplify right side
    3,119,936.80x = 9,792,627,688,497.84
  5. Step 5: Solve for x
    x = 9,792,627,688,497.84/3,119,936.80
  6. Step 6: Final answer
    x = 3,138,726.30

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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.