Home / 3,950,116.10-5,451,160.21-2,139,280.10

Finding the Fourth Proportional to 3,950,116.10, 5,451,160.21 and 2,139,280.10

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Solution

The fourth proportional to 3,950,116.10, 5,451,160.21 and 2,139,280.10 is: 2,952,206.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950,116.10 : 5,451,160.21 = 2,139,280.10 : x
  2. Step 2: Convert to fraction form
    3,950,116.10/5,451,160.21 = 2,139,280.10/x
  3. Step 3: Cross multiply
    3,950,116.10x = 5,451,160.21 × 2,139,280.10
  4. Step 4: Simplify right side
    3,950,116.10x = 11,661,558,559,164.82
  5. Step 5: Solve for x
    x = 11,661,558,559,164.82/3,950,116.10
  6. Step 6: Final answer
    x = 2,952,206.53

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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.