Home / 2,116,087.66-2,921,411.46-1,393,037.26

Finding the Fourth Proportional to 2,116,087.66, 2,921,411.46 and 1,393,037.26

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Solution

The fourth proportional to 2,116,087.66, 2,921,411.46 and 1,393,037.26 is: 1,923,188.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,087.66 : 2,921,411.46 = 1,393,037.26 : x
  2. Step 2: Convert to fraction form
    2,116,087.66/2,921,411.46 = 1,393,037.26/x
  3. Step 3: Cross multiply
    2,116,087.66x = 2,921,411.46 × 1,393,037.26
  4. Step 4: Simplify right side
    2,116,087.66x = 4,069,635,015,571.00
  5. Step 5: Solve for x
    x = 4,069,635,015,571.00/2,116,087.66
  6. Step 6: Final answer
    x = 1,923,188.29

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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.