Home / 1,644,815.70-2,467,223.55-1,271,106.90

Finding the Fourth Proportional to 1,644,815.70, 2,467,223.55 and 1,271,106.90

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Solution

The fourth proportional to 1,644,815.70, 2,467,223.55 and 1,271,106.90 is: 1,906,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,815.70 : 2,467,223.55 = 1,271,106.90 : x
  2. Step 2: Convert to fraction form
    1,644,815.70/2,467,223.55 = 1,271,106.90/x
  3. Step 3: Cross multiply
    1,644,815.70x = 2,467,223.55 × 1,271,106.90
  4. Step 4: Simplify right side
    1,644,815.70x = 3,136,104,878,247.49
  5. Step 5: Solve for x
    x = 3,136,104,878,247.49/1,644,815.70
  6. Step 6: Final answer
    x = 1,906,660.35

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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.