Home / 2,160,655.56-2,981,764.82-1,193,848.16

Finding the Fourth Proportional to 2,160,655.56, 2,981,764.82 and 1,193,848.16

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Solution

The fourth proportional to 2,160,655.56, 2,981,764.82 and 1,193,848.16 is: 1,647,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,655.56 : 2,981,764.82 = 1,193,848.16 : x
  2. Step 2: Convert to fraction form
    2,160,655.56/2,981,764.82 = 1,193,848.16/x
  3. Step 3: Cross multiply
    2,160,655.56x = 2,981,764.82 × 1,193,848.16
  4. Step 4: Simplify right side
    2,160,655.56x = 3,559,774,431,985.53
  5. Step 5: Solve for x
    x = 3,559,774,431,985.53/2,160,655.56
  6. Step 6: Final answer
    x = 1,647,543.69

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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.