Home / 2,191,158.95-3,023,955.79-1,211,076.97

Finding the Fourth Proportional to 2,191,158.95, 3,023,955.79 and 1,211,076.97

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Solution

The fourth proportional to 2,191,158.95, 3,023,955.79 and 1,211,076.97 is: 1,671,372.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,158.95 : 3,023,955.79 = 1,211,076.97 : x
  2. Step 2: Convert to fraction form
    2,191,158.95/3,023,955.79 = 1,211,076.97/x
  3. Step 3: Cross multiply
    2,191,158.95x = 3,023,955.79 × 1,211,076.97
  4. Step 4: Simplify right side
    2,191,158.95x = 3,662,243,204,979.58
  5. Step 5: Solve for x
    x = 3,662,243,204,979.58/2,191,158.95
  6. Step 6: Final answer
    x = 1,671,372.68

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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.