Home / 2,177,676.59-3,005,177.96-1,210,799.39

Finding the Fourth Proportional to 2,177,676.59, 3,005,177.96 and 1,210,799.39

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Solution

The fourth proportional to 2,177,676.59, 3,005,177.96 and 1,210,799.39 is: 1,670,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,676.59 : 3,005,177.96 = 1,210,799.39 : x
  2. Step 2: Convert to fraction form
    2,177,676.59/3,005,177.96 = 1,210,799.39/x
  3. Step 3: Cross multiply
    2,177,676.59x = 3,005,177.96 × 1,210,799.39
  4. Step 4: Simplify right side
    2,177,676.59x = 3,638,667,634,755.45
  5. Step 5: Solve for x
    x = 3,638,667,634,755.45/2,177,676.59
  6. Step 6: Final answer
    x = 1,670,894.41

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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.