Home / 3,461,621.21-4,777,324.91-1,913,185.23

Finding the Fourth Proportional to 3,461,621.21, 4,777,324.91 and 1,913,185.23

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Solution

The fourth proportional to 3,461,621.21, 4,777,324.91 and 1,913,185.23 is: 2,640,354.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461,621.21 : 4,777,324.91 = 1,913,185.23 : x
  2. Step 2: Convert to fraction form
    3,461,621.21/4,777,324.91 = 1,913,185.23/x
  3. Step 3: Cross multiply
    3,461,621.21x = 4,777,324.91 × 1,913,185.23
  4. Step 4: Simplify right side
    3,461,621.21x = 9,139,907,428,053.49
  5. Step 5: Solve for x
    x = 9,139,907,428,053.49/3,461,621.21
  6. Step 6: Final answer
    x = 2,640,354.59

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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.