Home / 1,542,419.18-2,130,755.60-1,231,914.08

Finding the Fourth Proportional to 1,542,419.18, 2,130,755.60 and 1,231,914.08

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Solution

The fourth proportional to 1,542,419.18, 2,130,755.60 and 1,231,914.08 is: 1,701,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,419.18 : 2,130,755.60 = 1,231,914.08 : x
  2. Step 2: Convert to fraction form
    1,542,419.18/2,130,755.60 = 1,231,914.08/x
  3. Step 3: Cross multiply
    1,542,419.18x = 2,130,755.60 × 1,231,914.08
  4. Step 4: Simplify right side
    1,542,419.18x = 2,624,907,807,865.50
  5. Step 5: Solve for x
    x = 2,624,907,807,865.50/1,542,419.18
  6. Step 6: Final answer
    x = 1,701,812.22

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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.