Home / 3,276,409.12-4,914,281.28-879,942.40

Finding the Fourth Proportional to 3,276,409.12, 4,914,281.28 and 879,942.40

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Solution

The fourth proportional to 3,276,409.12, 4,914,281.28 and 879,942.40 is: 1,319,824.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276,409.12 : 4,914,281.28 = 879,942.40 : x
  2. Step 2: Convert to fraction form
    3,276,409.12/4,914,281.28 = 879,942.40/x
  3. Step 3: Cross multiply
    3,276,409.12x = 4,914,281.28 × 879,942.40
  4. Step 4: Simplify right side
    3,276,409.12x = 4,324,284,463,798.27
  5. Step 5: Solve for x
    x = 4,324,284,463,798.27/3,276,409.12
  6. Step 6: Final answer
    x = 1,319,824.33

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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.