Home / 5,315,344.80-7,973,017.20-1,949,114.40

Finding the Fourth Proportional to 5,315,344.80, 7,973,017.20 and 1,949,114.40

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Solution

The fourth proportional to 5,315,344.80, 7,973,017.20 and 1,949,114.40 is: 2,923,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,344.80 : 7,973,017.20 = 1,949,114.40 : x
  2. Step 2: Convert to fraction form
    5,315,344.80/7,973,017.20 = 1,949,114.40/x
  3. Step 3: Cross multiply
    5,315,344.80x = 7,973,017.20 × 1,949,114.40
  4. Step 4: Simplify right side
    5,315,344.80x = 15,540,322,635,967.68
  5. Step 5: Solve for x
    x = 15,540,322,635,967.68/5,315,344.80
  6. Step 6: Final answer
    x = 2,923,671.60

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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.