Home / 2,086,551.51-3,130,039.43-720,147.42

Finding the Fourth Proportional to 2,086,551.51, 3,130,039.43 and 720,147.42

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Solution

The fourth proportional to 2,086,551.51, 3,130,039.43 and 720,147.42 is: 1,080,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,551.51 : 3,130,039.43 = 720,147.42 : x
  2. Step 2: Convert to fraction form
    2,086,551.51/3,130,039.43 = 720,147.42/x
  3. Step 3: Cross multiply
    2,086,551.51x = 3,130,039.43 × 720,147.42
  4. Step 4: Simplify right side
    2,086,551.51x = 2,254,089,819,112.59
  5. Step 5: Solve for x
    x = 2,254,089,819,112.59/2,086,551.51
  6. Step 6: Final answer
    x = 1,080,294.36

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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.