Home / 2,687,065.56-4,027,237.04-2,116,192.05

Finding the Fourth Proportional to 2,687,065.56, 4,027,237.04 and 2,116,192.05

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Solution

The fourth proportional to 2,687,065.56, 4,027,237.04 and 2,116,192.05 is: 3,171,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,065.56 : 4,027,237.04 = 2,116,192.05 : x
  2. Step 2: Convert to fraction form
    2,687,065.56/4,027,237.04 = 2,116,192.05/x
  3. Step 3: Cross multiply
    2,687,065.56x = 4,027,237.04 × 2,116,192.05
  4. Step 4: Simplify right side
    2,687,065.56x = 8,522,407,012,804.01
  5. Step 5: Solve for x
    x = 8,522,407,012,804.01/2,687,065.56
  6. Step 6: Final answer
    x = 3,171,640.89

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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.