Home / 2,929,669.74-4,042,899.95-1,640,556.32

Finding the Fourth Proportional to 2,929,669.74, 4,042,899.95 and 1,640,556.32

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Solution

The fourth proportional to 2,929,669.74, 4,042,899.95 and 1,640,556.32 is: 2,263,942.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,669.74 : 4,042,899.95 = 1,640,556.32 : x
  2. Step 2: Convert to fraction form
    2,929,669.74/4,042,899.95 = 1,640,556.32/x
  3. Step 3: Cross multiply
    2,929,669.74x = 4,042,899.95 × 1,640,556.32
  4. Step 4: Simplify right side
    2,929,669.74x = 6,632,605,035,682.90
  5. Step 5: Solve for x
    x = 6,632,605,035,682.90/2,929,669.74
  6. Step 6: Final answer
    x = 2,263,942.91

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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.