Home / 2,929,827.21-4,042,778.12-1,689,483.36

Finding the Fourth Proportional to 2,929,827.21, 4,042,778.12 and 1,689,483.36

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Solution

The fourth proportional to 2,929,827.21, 4,042,778.12 and 1,689,483.36 is: 2,331,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,827.21 : 4,042,778.12 = 1,689,483.36 : x
  2. Step 2: Convert to fraction form
    2,929,827.21/4,042,778.12 = 1,689,483.36/x
  3. Step 3: Cross multiply
    2,929,827.21x = 4,042,778.12 × 1,689,483.36
  4. Step 4: Simplify right side
    2,929,827.21x = 6,830,206,361,912.08
  5. Step 5: Solve for x
    x = 6,830,206,361,912.08/2,929,827.21
  6. Step 6: Final answer
    x = 2,331,265.93

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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.