Home / 1,942,600.80-2,917,400.40-1,879,615.20

Finding the Fourth Proportional to 1,942,600.80, 2,917,400.40 and 1,879,615.20

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Solution

The fourth proportional to 1,942,600.80, 2,917,400.40 and 1,879,615.20 is: 2,822,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,600.80 : 2,917,400.40 = 1,879,615.20 : x
  2. Step 2: Convert to fraction form
    1,942,600.80/2,917,400.40 = 1,879,615.20/x
  3. Step 3: Cross multiply
    1,942,600.80x = 2,917,400.40 × 1,879,615.20
  4. Step 4: Simplify right side
    1,942,600.80x = 5,483,590,136,326.08
  5. Step 5: Solve for x
    x = 5,483,590,136,326.08/1,942,600.80
  6. Step 6: Final answer
    x = 2,822,808.54

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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.