Home / 3,162,106.78-4,363,721.51-1,711,802.21

Finding the Fourth Proportional to 3,162,106.78, 4,363,721.51 and 1,711,802.21

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Solution

The fourth proportional to 3,162,106.78, 4,363,721.51 and 1,711,802.21 is: 2,362,294.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,106.78 : 4,363,721.51 = 1,711,802.21 : x
  2. Step 2: Convert to fraction form
    3,162,106.78/4,363,721.51 = 1,711,802.21/x
  3. Step 3: Cross multiply
    3,162,106.78x = 4,363,721.51 × 1,711,802.21
  4. Step 4: Simplify right side
    3,162,106.78x = 7,469,828,118,810.85
  5. Step 5: Solve for x
    x = 7,469,828,118,810.85/3,162,106.78
  6. Step 6: Final answer
    x = 2,362,294.71

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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.