Home / 2,549,555.38-3,518,318.19-1,403,644.33

Finding the Fourth Proportional to 2,549,555.38, 3,518,318.19 and 1,403,644.33

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Solution

The fourth proportional to 2,549,555.38, 3,518,318.19 and 1,403,644.33 is: 1,936,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549,555.38 : 3,518,318.19 = 1,403,644.33 : x
  2. Step 2: Convert to fraction form
    2,549,555.38/3,518,318.19 = 1,403,644.33/x
  3. Step 3: Cross multiply
    2,549,555.38x = 3,518,318.19 × 1,403,644.33
  4. Step 4: Simplify right side
    2,549,555.38x = 4,938,467,378,529.36
  5. Step 5: Solve for x
    x = 4,938,467,378,529.36/2,549,555.38
  6. Step 6: Final answer
    x = 1,936,991.61

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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.