Home / 2,551,132.80-3,520,568.07-1,389,575.48

Finding the Fourth Proportional to 2,551,132.80, 3,520,568.07 and 1,389,575.48

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Solution

The fourth proportional to 2,551,132.80, 3,520,568.07 and 1,389,575.48 is: 1,917,616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,132.80 : 3,520,568.07 = 1,389,575.48 : x
  2. Step 2: Convert to fraction form
    2,551,132.80/3,520,568.07 = 1,389,575.48/x
  3. Step 3: Cross multiply
    2,551,132.80x = 3,520,568.07 × 1,389,575.48
  4. Step 4: Simplify right side
    2,551,132.80x = 4,892,095,048,140.08
  5. Step 5: Solve for x
    x = 4,892,095,048,140.08/2,551,132.80
  6. Step 6: Final answer
    x = 1,917,616.77

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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.