Home / 2,328,416.69-3,493,206.29-812,121.40

Finding the Fourth Proportional to 2,328,416.69, 3,493,206.29 and 812,121.40

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Solution

The fourth proportional to 2,328,416.69, 3,493,206.29 and 812,121.40 is: 1,218,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328,416.69 : 3,493,206.29 = 812,121.40 : x
  2. Step 2: Convert to fraction form
    2,328,416.69/3,493,206.29 = 812,121.40/x
  3. Step 3: Cross multiply
    2,328,416.69x = 3,493,206.29 × 812,121.40
  4. Step 4: Simplify right side
    2,328,416.69x = 2,836,907,592,890.65
  5. Step 5: Solve for x
    x = 2,836,907,592,890.65/2,328,416.69
  6. Step 6: Final answer
    x = 1,218,384.84

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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.