Home / 2,156,071.23-2,975,392.44-1,189,227.69

Finding the Fourth Proportional to 2,156,071.23, 2,975,392.44 and 1,189,227.69

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Solution

The fourth proportional to 2,156,071.23, 2,975,392.44 and 1,189,227.69 is: 1,641,142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,071.23 : 2,975,392.44 = 1,189,227.69 : x
  2. Step 2: Convert to fraction form
    2,156,071.23/2,975,392.44 = 1,189,227.69/x
  3. Step 3: Cross multiply
    2,156,071.23x = 2,975,392.44 × 1,189,227.69
  4. Step 4: Simplify right side
    2,156,071.23x = 3,538,419,078,264.66
  5. Step 5: Solve for x
    x = 3,538,419,078,264.66/2,156,071.23
  6. Step 6: Final answer
    x = 1,641,142.01

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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.