Home / 3,349,621.89-4,621,435.44-1,899,203.49

Finding the Fourth Proportional to 3,349,621.89, 4,621,435.44 and 1,899,203.49

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Solution

The fourth proportional to 3,349,621.89, 4,621,435.44 and 1,899,203.49 is: 2,620,309.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349,621.89 : 4,621,435.44 = 1,899,203.49 : x
  2. Step 2: Convert to fraction form
    3,349,621.89/4,621,435.44 = 1,899,203.49/x
  3. Step 3: Cross multiply
    3,349,621.89x = 4,621,435.44 × 1,899,203.49
  4. Step 4: Simplify right side
    3,349,621.89x = 8,777,046,316,457.69
  5. Step 5: Solve for x
    x = 8,777,046,316,457.69/3,349,621.89
  6. Step 6: Final answer
    x = 2,620,309.58

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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.