Home / 2,209,834.80-3,314,752.20-2,115,356.40

Finding the Fourth Proportional to 2,209,834.80, 3,314,752.20 and 2,115,356.40

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Solution

The fourth proportional to 2,209,834.80, 3,314,752.20 and 2,115,356.40 is: 3,173,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,834.80 : 3,314,752.20 = 2,115,356.40 : x
  2. Step 2: Convert to fraction form
    2,209,834.80/3,314,752.20 = 2,115,356.40/x
  3. Step 3: Cross multiply
    2,209,834.80x = 3,314,752.20 × 2,115,356.40
  4. Step 4: Simplify right side
    2,209,834.80x = 7,011,882,280,684.08
  5. Step 5: Solve for x
    x = 7,011,882,280,684.08/2,209,834.80
  6. Step 6: Final answer
    x = 3,173,034.60

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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.