Home / 3,012,288.08-4,518,433.88-1,891,144.40

Finding the Fourth Proportional to 3,012,288.08, 4,518,433.88 and 1,891,144.40

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Solution

The fourth proportional to 3,012,288.08, 4,518,433.88 and 1,891,144.40 is: 2,836,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,288.08 : 4,518,433.88 = 1,891,144.40 : x
  2. Step 2: Convert to fraction form
    3,012,288.08/4,518,433.88 = 1,891,144.40/x
  3. Step 3: Cross multiply
    3,012,288.08x = 4,518,433.88 × 1,891,144.40
  4. Step 4: Simplify right side
    3,012,288.08x = 8,545,010,928,932.27
  5. Step 5: Solve for x
    x = 8,545,010,928,932.27/3,012,288.08
  6. Step 6: Final answer
    x = 2,836,717.70

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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.