Home / 2,552,533-3,522,480.42-1,390,976.80

Finding the Fourth Proportional to 2,552,533, 3,522,480.42 and 1,390,976.80

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Solution

The fourth proportional to 2,552,533, 3,522,480.42 and 1,390,976.80 is: 1,919,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552,533 : 3,522,480.42 = 1,390,976.80 : x
  2. Step 2: Convert to fraction form
    2,552,533/3,522,480.42 = 1,390,976.80/x
  3. Step 3: Cross multiply
    2,552,533x = 3,522,480.42 × 1,390,976.80
  4. Step 4: Simplify right side
    2,552,533x = 4,899,688,542,674.26
  5. Step 5: Solve for x
    x = 4,899,688,542,674.26/2,552,533
  6. Step 6: Final answer
    x = 1,919,539.74

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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.