Home / 5,127,881.30-7,078,655.08-3,195,096.81

Finding the Fourth Proportional to 5,127,881.30, 7,078,655.08 and 3,195,096.81

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Solution

The fourth proportional to 5,127,881.30, 7,078,655.08 and 3,195,096.81 is: 4,410,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,881.30 : 7,078,655.08 = 3,195,096.81 : x
  2. Step 2: Convert to fraction form
    5,127,881.30/7,078,655.08 = 3,195,096.81/x
  3. Step 3: Cross multiply
    5,127,881.30x = 7,078,655.08 × 3,195,096.81
  4. Step 4: Simplify right side
    5,127,881.30x = 22,616,988,229,805.02
  5. Step 5: Solve for x
    x = 22,616,988,229,805.02/5,127,881.30
  6. Step 6: Final answer
    x = 4,410,591.22

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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.