Home / 2,125,215.56-2,932,771.66-1,158,342.88

Finding the Fourth Proportional to 2,125,215.56, 2,932,771.66 and 1,158,342.88

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Solution

The fourth proportional to 2,125,215.56, 2,932,771.66 and 1,158,342.88 is: 1,598,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,215.56 : 2,932,771.66 = 1,158,342.88 : x
  2. Step 2: Convert to fraction form
    2,125,215.56/2,932,771.66 = 1,158,342.88/x
  3. Step 3: Cross multiply
    2,125,215.56x = 2,932,771.66 × 1,158,342.88
  4. Step 4: Simplify right side
    2,125,215.56x = 3,397,155,171,026.78
  5. Step 5: Solve for x
    x = 3,397,155,171,026.78/2,125,215.56
  6. Step 6: Final answer
    x = 1,598,499.11

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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.