Home / 7,261,643.60-10,892,465.40-1,942,859.60

Finding the Fourth Proportional to 7,261,643.60, 10,892,465.40 and 1,942,859.60

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Solution

The fourth proportional to 7,261,643.60, 10,892,465.40 and 1,942,859.60 is: 2,914,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,643.60 : 10,892,465.40 = 1,942,859.60 : x
  2. Step 2: Convert to fraction form
    7,261,643.60/10,892,465.40 = 1,942,859.60/x
  3. Step 3: Cross multiply
    7,261,643.60x = 10,892,465.40 × 1,942,859.60
  4. Step 4: Simplify right side
    7,261,643.60x = 21,162,530,970,057.84
  5. Step 5: Solve for x
    x = 21,162,530,970,057.84/7,261,643.60
  6. Step 6: Final answer
    x = 2,914,289.40

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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.