Home / 2,117,740.12-3,177,203.10-856,453.48

Finding the Fourth Proportional to 2,117,740.12, 3,177,203.10 and 856,453.48

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Solution

The fourth proportional to 2,117,740.12, 3,177,203.10 and 856,453.48 is: 1,284,920.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,740.12 : 3,177,203.10 = 856,453.48 : x
  2. Step 2: Convert to fraction form
    2,117,740.12/3,177,203.10 = 856,453.48/x
  3. Step 3: Cross multiply
    2,117,740.12x = 3,177,203.10 × 856,453.48
  4. Step 4: Simplify right side
    2,117,740.12x = 2,721,126,651,661.79
  5. Step 5: Solve for x
    x = 2,721,126,651,661.79/2,117,740.12
  6. Step 6: Final answer
    x = 1,284,920.01

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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.