Home / 2,291,152.80-3,436,729.20-1,969,226.40

Finding the Fourth Proportional to 2,291,152.80, 3,436,729.20 and 1,969,226.40

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Solution

The fourth proportional to 2,291,152.80, 3,436,729.20 and 1,969,226.40 is: 2,953,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291,152.80 : 3,436,729.20 = 1,969,226.40 : x
  2. Step 2: Convert to fraction form
    2,291,152.80/3,436,729.20 = 1,969,226.40/x
  3. Step 3: Cross multiply
    2,291,152.80x = 3,436,729.20 × 1,969,226.40
  4. Step 4: Simplify right side
    2,291,152.80x = 6,767,697,870,290.88
  5. Step 5: Solve for x
    x = 6,767,697,870,290.88/2,291,152.80
  6. Step 6: Final answer
    x = 2,953,839.60

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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.