Home / 2,501,278.40-3,451,769.49-1,355,359.05

Finding the Fourth Proportional to 2,501,278.40, 3,451,769.49 and 1,355,359.05

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Solution

The fourth proportional to 2,501,278.40, 3,451,769.49 and 1,355,359.05 is: 1,870,398.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,501,278.40 : 3,451,769.49 = 1,355,359.05 : x
  2. Step 2: Convert to fraction form
    2,501,278.40/3,451,769.49 = 1,355,359.05/x
  3. Step 3: Cross multiply
    2,501,278.40x = 3,451,769.49 × 1,355,359.05
  4. Step 4: Simplify right side
    2,501,278.40x = 4,678,387,016,785.39
  5. Step 5: Solve for x
    x = 4,678,387,016,785.39/2,501,278.40
  6. Step 6: Final answer
    x = 1,870,398.36

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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.