Home / 1,225,285.65-1,834,166.41-1,109,812.05

Finding the Fourth Proportional to 1,225,285.65, 1,834,166.41 and 1,109,812.05

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Solution

The fourth proportional to 1,225,285.65, 1,834,166.41 and 1,109,812.05 is: 1,661,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,285.65 : 1,834,166.41 = 1,109,812.05 : x
  2. Step 2: Convert to fraction form
    1,225,285.65/1,834,166.41 = 1,109,812.05/x
  3. Step 3: Cross multiply
    1,225,285.65x = 1,834,166.41 × 1,109,812.05
  4. Step 4: Simplify right side
    1,225,285.65x = 2,035,579,983,523.24
  5. Step 5: Solve for x
    x = 2,035,579,983,523.24/1,225,285.65
  6. Step 6: Final answer
    x = 1,661,310.56

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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.