Home / 1,901,205.81-2,851,810.74-481,261.91

Finding the Fourth Proportional to 1,901,205.81, 2,851,810.74 and 481,261.91

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Solution

The fourth proportional to 1,901,205.81, 2,851,810.74 and 481,261.91 is: 721,893.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,205.81 : 2,851,810.74 = 481,261.91 : x
  2. Step 2: Convert to fraction form
    1,901,205.81/2,851,810.74 = 481,261.91/x
  3. Step 3: Cross multiply
    1,901,205.81x = 2,851,810.74 × 481,261.91
  4. Step 4: Simplify right side
    1,901,205.81x = 1,372,467,869,431.86
  5. Step 5: Solve for x
    x = 1,372,467,869,431.86/1,901,205.81
  6. Step 6: Final answer
    x = 721,893.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.