Home / 5,127,887.05-7,078,663.04-3,195,102.58

Finding the Fourth Proportional to 5,127,887.05, 7,078,663.04 and 3,195,102.58

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Solution

The fourth proportional to 5,127,887.05, 7,078,663.04 and 3,195,102.58 is: 4,410,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,887.05 : 7,078,663.04 = 3,195,102.58 : x
  2. Step 2: Convert to fraction form
    5,127,887.05/7,078,663.04 = 3,195,102.58/x
  3. Step 3: Cross multiply
    5,127,887.05x = 7,078,663.04 × 3,195,102.58
  4. Step 4: Simplify right side
    5,127,887.05x = 22,617,054,508,382.47
  5. Step 5: Solve for x
    x = 22,617,054,508,382.47/5,127,887.05
  6. Step 6: Final answer
    x = 4,410,599.20

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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.