Home / 2,156,305.86-3,231,710.87-1,145,911.86

Finding the Fourth Proportional to 2,156,305.86, 3,231,710.87 and 1,145,911.86

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Solution

The fourth proportional to 2,156,305.86, 3,231,710.87 and 1,145,911.86 is: 1,717,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,305.86 : 3,231,710.87 = 1,145,911.86 : x
  2. Step 2: Convert to fraction form
    2,156,305.86/3,231,710.87 = 1,145,911.86/x
  3. Step 3: Cross multiply
    2,156,305.86x = 3,231,710.87 × 1,145,911.86
  4. Step 4: Simplify right side
    2,156,305.86x = 3,703,255,808,294.36
  5. Step 5: Solve for x
    x = 3,703,255,808,294.36/2,156,305.86
  6. Step 6: Final answer
    x = 1,717,407.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.