Home / 2,672,272.80-4,005,784.80-1,324,643.40

Finding the Fourth Proportional to 2,672,272.80, 4,005,784.80 and 1,324,643.40

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Solution

The fourth proportional to 2,672,272.80, 4,005,784.80 and 1,324,643.40 is: 1,985,664.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,272.80 : 4,005,784.80 = 1,324,643.40 : x
  2. Step 2: Convert to fraction form
    2,672,272.80/4,005,784.80 = 1,324,643.40/x
  3. Step 3: Cross multiply
    2,672,272.80x = 4,005,784.80 × 1,324,643.40
  4. Step 4: Simplify right side
    2,672,272.80x = 5,306,236,397,140.32
  5. Step 5: Solve for x
    x = 5,306,236,397,140.32/2,672,272.80
  6. Step 6: Final answer
    x = 1,985,664.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.