Home / 2,191,069.20-3,286,603.80-1,346,883.60

Finding the Fourth Proportional to 2,191,069.20, 3,286,603.80 and 1,346,883.60

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Solution

The fourth proportional to 2,191,069.20, 3,286,603.80 and 1,346,883.60 is: 2,020,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,069.20 : 3,286,603.80 = 1,346,883.60 : x
  2. Step 2: Convert to fraction form
    2,191,069.20/3,286,603.80 = 1,346,883.60/x
  3. Step 3: Cross multiply
    2,191,069.20x = 3,286,603.80 × 1,346,883.60
  4. Step 4: Simplify right side
    2,191,069.20x = 4,426,672,757,917.68
  5. Step 5: Solve for x
    x = 4,426,672,757,917.68/2,191,069.20
  6. Step 6: Final answer
    x = 2,020,325.40

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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.