Home / 3,617,556.41-4,991,913-1,985,957.21

Finding the Fourth Proportional to 3,617,556.41, 4,991,913 and 1,985,957.21

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Solution

The fourth proportional to 3,617,556.41, 4,991,913 and 1,985,957.21 is: 2,740,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617,556.41 : 4,991,913 = 1,985,957.21 : x
  2. Step 2: Convert to fraction form
    3,617,556.41/4,991,913 = 1,985,957.21/x
  3. Step 3: Cross multiply
    3,617,556.41x = 4,991,913 × 1,985,957.21
  4. Step 4: Simplify right side
    3,617,556.41x = 9,913,725,614,042.73
  5. Step 5: Solve for x
    x = 9,913,725,614,042.73/3,617,556.41
  6. Step 6: Final answer
    x = 2,740,448.11

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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.