Home / 2,897,098.89-3,998,731.38-1,979,699.37

Finding the Fourth Proportional to 2,897,098.89, 3,998,731.38 and 1,979,699.37

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Solution

The fourth proportional to 2,897,098.89, 3,998,731.38 and 1,979,699.37 is: 2,732,487.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,098.89 : 3,998,731.38 = 1,979,699.37 : x
  2. Step 2: Convert to fraction form
    2,897,098.89/3,998,731.38 = 1,979,699.37/x
  3. Step 3: Cross multiply
    2,897,098.89x = 3,998,731.38 × 1,979,699.37
  4. Step 4: Simplify right side
    2,897,098.89x = 7,916,285,993,785.23
  5. Step 5: Solve for x
    x = 7,916,285,993,785.23/2,897,098.89
  6. Step 6: Final answer
    x = 2,732,487.32

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1.5x scale

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.