Home / 3,997,640.76-5,516,744.16-2,162,099.18

Finding the Fourth Proportional to 3,997,640.76, 5,516,744.16 and 2,162,099.18

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Solution

The fourth proportional to 3,997,640.76, 5,516,744.16 and 2,162,099.18 is: 2,983,696.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997,640.76 : 5,516,744.16 = 2,162,099.18 : x
  2. Step 2: Convert to fraction form
    3,997,640.76/5,516,744.16 = 2,162,099.18/x
  3. Step 3: Cross multiply
    3,997,640.76x = 5,516,744.16 × 2,162,099.18
  4. Step 4: Simplify right side
    3,997,640.76x = 11,927,748,003,312.03
  5. Step 5: Solve for x
    x = 11,927,748,003,312.03/3,997,640.76
  6. Step 6: Final answer
    x = 2,983,696.82

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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.