Home / 2,815,206.86-3,884,944.38-1,591,471.72

Finding the Fourth Proportional to 2,815,206.86, 3,884,944.38 and 1,591,471.72

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Solution

The fourth proportional to 2,815,206.86, 3,884,944.38 and 1,591,471.72 is: 2,196,207.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,206.86 : 3,884,944.38 = 1,591,471.72 : x
  2. Step 2: Convert to fraction form
    2,815,206.86/3,884,944.38 = 1,591,471.72/x
  3. Step 3: Cross multiply
    2,815,206.86x = 3,884,944.38 × 1,591,471.72
  4. Step 4: Simplify right side
    2,815,206.86x = 6,182,779,091,578.28
  5. Step 5: Solve for x
    x = 6,182,779,091,578.28/2,815,206.86
  6. Step 6: Final answer
    x = 2,196,207.74

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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.