Home / 2,909,517.38-4,015,258.54-1,620,357.76

Finding the Fourth Proportional to 2,909,517.38, 4,015,258.54 and 1,620,357.76

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Solution

The fourth proportional to 2,909,517.38, 4,015,258.54 and 1,620,357.76 is: 2,236,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,517.38 : 4,015,258.54 = 1,620,357.76 : x
  2. Step 2: Convert to fraction form
    2,909,517.38/4,015,258.54 = 1,620,357.76/x
  3. Step 3: Cross multiply
    2,909,517.38x = 4,015,258.54 × 1,620,357.76
  4. Step 4: Simplify right side
    2,909,517.38x = 6,506,155,333,695.27
  5. Step 5: Solve for x
    x = 6,506,155,333,695.27/2,909,517.38
  6. Step 6: Final answer
    x = 2,236,163.08

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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.