Home / 2,909,765.81-4,015,600.23-1,620,605.84

Finding the Fourth Proportional to 2,909,765.81, 4,015,600.23 and 1,620,605.84

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Solution

The fourth proportional to 2,909,765.81, 4,015,600.23 and 1,620,605.84 is: 2,236,504.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,765.81 : 4,015,600.23 = 1,620,605.84 : x
  2. Step 2: Convert to fraction form
    2,909,765.81/4,015,600.23 = 1,620,605.84/x
  3. Step 3: Cross multiply
    2,909,765.81x = 4,015,600.23 × 1,620,605.84
  4. Step 4: Simplify right side
    2,909,765.81x = 6,507,705,183,843.34
  5. Step 5: Solve for x
    x = 6,507,705,183,843.34/2,909,765.81
  6. Step 6: Final answer
    x = 2,236,504.79

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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.