Home / 1,511,999.40-2,267,999.10-1,362,408.60

Finding the Fourth Proportional to 1,511,999.40, 2,267,999.10 and 1,362,408.60

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Solution

The fourth proportional to 1,511,999.40, 2,267,999.10 and 1,362,408.60 is: 2,043,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,999.40 : 2,267,999.10 = 1,362,408.60 : x
  2. Step 2: Convert to fraction form
    1,511,999.40/2,267,999.10 = 1,362,408.60/x
  3. Step 3: Cross multiply
    1,511,999.40x = 2,267,999.10 × 1,362,408.60
  4. Step 4: Simplify right side
    1,511,999.40x = 3,089,941,478,632.26
  5. Step 5: Solve for x
    x = 3,089,941,478,632.26/1,511,999.40
  6. Step 6: Final answer
    x = 2,043,612.90

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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.