Home / 2,168,188.74-2,992,060.83-1,201,315.50

Finding the Fourth Proportional to 2,168,188.74, 2,992,060.83 and 1,201,315.50

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Solution

The fourth proportional to 2,168,188.74, 2,992,060.83 and 1,201,315.50 is: 1,657,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,188.74 : 2,992,060.83 = 1,201,315.50 : x
  2. Step 2: Convert to fraction form
    2,168,188.74/2,992,060.83 = 1,201,315.50/x
  3. Step 3: Cross multiply
    2,168,188.74x = 2,992,060.83 × 1,201,315.50
  4. Step 4: Simplify right side
    2,168,188.74x = 3,594,409,052,021.87
  5. Step 5: Solve for x
    x = 3,594,409,052,021.87/2,168,188.74
  6. Step 6: Final answer
    x = 1,657,793.43

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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.