Home / 2,928,972.90-4,392,611.03-879,550.74

Finding the Fourth Proportional to 2,928,972.90, 4,392,611.03 and 879,550.74

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Solution

The fourth proportional to 2,928,972.90, 4,392,611.03 and 879,550.74 is: 1,319,071.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,972.90 : 4,392,611.03 = 879,550.74 : x
  2. Step 2: Convert to fraction form
    2,928,972.90/4,392,611.03 = 879,550.74/x
  3. Step 3: Cross multiply
    2,928,972.90x = 4,392,611.03 × 879,550.74
  4. Step 4: Simplify right side
    2,928,972.90x = 3,863,524,302,076.88
  5. Step 5: Solve for x
    x = 3,863,524,302,076.88/2,928,972.90
  6. Step 6: Final answer
    x = 1,319,071.37

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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.