Home / 1,989,888.33-2,984,804.70-1,135,135.83

Finding the Fourth Proportional to 1,989,888.33, 2,984,804.70 and 1,135,135.83

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Solution

The fourth proportional to 1,989,888.33, 2,984,804.70 and 1,135,135.83 is: 1,702,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,888.33 : 2,984,804.70 = 1,135,135.83 : x
  2. Step 2: Convert to fraction form
    1,989,888.33/2,984,804.70 = 1,135,135.83/x
  3. Step 3: Cross multiply
    1,989,888.33x = 2,984,804.70 × 1,135,135.83
  4. Step 4: Simplify right side
    1,989,888.33x = 3,388,158,760,522.40
  5. Step 5: Solve for x
    x = 3,388,158,760,522.40/1,989,888.33
  6. Step 6: Final answer
    x = 1,702,687.89

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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.