Home / 2,166,932.41-2,988,926.85-1,393,541.04

Finding the Fourth Proportional to 2,166,932.41, 2,988,926.85 and 1,393,541.04

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Solution

The fourth proportional to 2,166,932.41, 2,988,926.85 and 1,393,541.04 is: 1,922,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,932.41 : 2,988,926.85 = 1,393,541.04 : x
  2. Step 2: Convert to fraction form
    2,166,932.41/2,988,926.85 = 1,393,541.04/x
  3. Step 3: Cross multiply
    2,166,932.41x = 2,988,926.85 × 1,393,541.04
  4. Step 4: Simplify right side
    2,166,932.41x = 4,165,192,224,065.22
  5. Step 5: Solve for x
    x = 4,165,192,224,065.22/2,166,932.41
  6. Step 6: Final answer
    x = 1,922,160.65

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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.