Home / 1,917,311.67-2,646,848.91-1,192,392.93

Finding the Fourth Proportional to 1,917,311.67, 2,646,848.91 and 1,192,392.93

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Solution

The fourth proportional to 1,917,311.67, 2,646,848.91 and 1,192,392.93 is: 1,646,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,311.67 : 2,646,848.91 = 1,192,392.93 : x
  2. Step 2: Convert to fraction form
    1,917,311.67/2,646,848.91 = 1,192,392.93/x
  3. Step 3: Cross multiply
    1,917,311.67x = 2,646,848.91 × 1,192,392.93
  4. Step 4: Simplify right side
    1,917,311.67x = 3,156,083,927,062.21
  5. Step 5: Solve for x
    x = 3,156,083,927,062.21/1,917,311.67
  6. Step 6: Final answer
    x = 1,646,098.53

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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.