Home / 3,398,416.05-4,689,947.12-1,870,665.33

Finding the Fourth Proportional to 3,398,416.05, 4,689,947.12 and 1,870,665.33

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Solution

The fourth proportional to 3,398,416.05, 4,689,947.12 and 1,870,665.33 is: 2,581,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398,416.05 : 4,689,947.12 = 1,870,665.33 : x
  2. Step 2: Convert to fraction form
    3,398,416.05/4,689,947.12 = 1,870,665.33/x
  3. Step 3: Cross multiply
    3,398,416.05x = 4,689,947.12 × 1,870,665.33
  4. Step 4: Simplify right side
    3,398,416.05x = 8,773,321,476,917.35
  5. Step 5: Solve for x
    x = 8,773,321,476,917.35/3,398,416.05
  6. Step 6: Final answer
    x = 2,581,591.35

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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.