Home / 2,116,089.66-2,921,414.22-1,393,039.26

Finding the Fourth Proportional to 2,116,089.66, 2,921,414.22 and 1,393,039.26

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Solution

The fourth proportional to 2,116,089.66, 2,921,414.22 and 1,393,039.26 is: 1,923,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,089.66 : 2,921,414.22 = 1,393,039.26 : x
  2. Step 2: Convert to fraction form
    2,116,089.66/2,921,414.22 = 1,393,039.26/x
  3. Step 3: Cross multiply
    2,116,089.66x = 2,921,414.22 × 1,393,039.26
  4. Step 4: Simplify right side
    2,116,089.66x = 4,069,644,703,182.28
  5. Step 5: Solve for x
    x = 4,069,644,703,182.28/2,116,089.66
  6. Step 6: Final answer
    x = 1,923,191.05

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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.