Home / 2,679,421.20-4,019,131.80-2,175,536.40

Finding the Fourth Proportional to 2,679,421.20, 4,019,131.80 and 2,175,536.40

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Solution

The fourth proportional to 2,679,421.20, 4,019,131.80 and 2,175,536.40 is: 3,263,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,421.20 : 4,019,131.80 = 2,175,536.40 : x
  2. Step 2: Convert to fraction form
    2,679,421.20/4,019,131.80 = 2,175,536.40/x
  3. Step 3: Cross multiply
    2,679,421.20x = 4,019,131.80 × 2,175,536.40
  4. Step 4: Simplify right side
    2,679,421.20x = 8,743,767,527,297.52
  5. Step 5: Solve for x
    x = 8,743,767,527,297.52/2,679,421.20
  6. Step 6: Final answer
    x = 3,263,304.60

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1.5x scale

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.