Home / 2,909,660.33-4,015,455.32-1,620,500.72

Finding the Fourth Proportional to 2,909,660.33, 4,015,455.32 and 1,620,500.72

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Solution

The fourth proportional to 2,909,660.33, 4,015,455.32 and 1,620,500.72 is: 2,236,360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,660.33 : 4,015,455.32 = 1,620,500.72 : x
  2. Step 2: Convert to fraction form
    2,909,660.33/4,015,455.32 = 1,620,500.72/x
  3. Step 3: Cross multiply
    2,909,660.33x = 4,015,455.32 × 1,620,500.72
  4. Step 4: Simplify right side
    2,909,660.33x = 6,507,048,221,161.81
  5. Step 5: Solve for x
    x = 6,507,048,221,161.81/2,909,660.33
  6. Step 6: Final answer
    x = 2,236,360.08

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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.