Home / 3,103,506.20-4,285,529.70-2,289,121.40

Finding the Fourth Proportional to 3,103,506.20, 4,285,529.70 and 2,289,121.40

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Solution

The fourth proportional to 3,103,506.20, 4,285,529.70 and 2,289,121.40 is: 3,160,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103,506.20 : 4,285,529.70 = 2,289,121.40 : x
  2. Step 2: Convert to fraction form
    3,103,506.20/4,285,529.70 = 2,289,121.40/x
  3. Step 3: Cross multiply
    3,103,506.20x = 4,285,529.70 × 2,289,121.40
  4. Step 4: Simplify right side
    3,103,506.20x = 9,810,097,746,605.58
  5. Step 5: Solve for x
    x = 9,810,097,746,605.58/3,103,506.20
  6. Step 6: Final answer
    x = 3,160,972.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.