Home / 2,874,835.80-3,967,412.40-1,585,672.20

Finding the Fourth Proportional to 2,874,835.80, 3,967,412.40 and 1,585,672.20

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Solution

The fourth proportional to 2,874,835.80, 3,967,412.40 and 1,585,672.20 is: 2,188,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874,835.80 : 3,967,412.40 = 1,585,672.20 : x
  2. Step 2: Convert to fraction form
    2,874,835.80/3,967,412.40 = 1,585,672.20/x
  3. Step 3: Cross multiply
    2,874,835.80x = 3,967,412.40 × 1,585,672.20
  4. Step 4: Simplify right side
    2,874,835.80x = 6,291,015,548,615.28
  5. Step 5: Solve for x
    x = 6,291,015,548,615.28/2,874,835.80
  6. Step 6: Final answer
    x = 2,188,304.30

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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.