Home / 2,108,191.41-3,157,188.98-1,206,899.55

Finding the Fourth Proportional to 2,108,191.41, 3,157,188.98 and 1,206,899.55

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Solution

The fourth proportional to 2,108,191.41, 3,157,188.98 and 1,206,899.55 is: 1,807,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,191.41 : 3,157,188.98 = 1,206,899.55 : x
  2. Step 2: Convert to fraction form
    2,108,191.41/3,157,188.98 = 1,206,899.55/x
  3. Step 3: Cross multiply
    2,108,191.41x = 3,157,188.98 × 1,206,899.55
  4. Step 4: Simplify right side
    2,108,191.41x = 3,810,409,953,192.46
  5. Step 5: Solve for x
    x = 3,810,409,953,192.46/2,108,191.41
  6. Step 6: Final answer
    x = 1,807,430.74

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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.