Home / 2,956,799.20-4,435,198.80-712,937.20

Finding the Fourth Proportional to 2,956,799.20, 4,435,198.80 and 712,937.20

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Solution

The fourth proportional to 2,956,799.20, 4,435,198.80 and 712,937.20 is: 1,069,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956,799.20 : 4,435,198.80 = 712,937.20 : x
  2. Step 2: Convert to fraction form
    2,956,799.20/4,435,198.80 = 712,937.20/x
  3. Step 3: Cross multiply
    2,956,799.20x = 4,435,198.80 × 712,937.20
  4. Step 4: Simplify right side
    2,956,799.20x = 3,162,018,213,915.36
  5. Step 5: Solve for x
    x = 3,162,018,213,915.36/2,956,799.20
  6. Step 6: Final answer
    x = 1,069,405.80

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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.