Home / 4,920,756.30-7,381,134.45-1,726,205.40

Finding the Fourth Proportional to 4,920,756.30, 7,381,134.45 and 1,726,205.40

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Solution

The fourth proportional to 4,920,756.30, 7,381,134.45 and 1,726,205.40 is: 2,589,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,756.30 : 7,381,134.45 = 1,726,205.40 : x
  2. Step 2: Convert to fraction form
    4,920,756.30/7,381,134.45 = 1,726,205.40/x
  3. Step 3: Cross multiply
    4,920,756.30x = 7,381,134.45 × 1,726,205.40
  4. Step 4: Simplify right side
    4,920,756.30x = 12,741,354,145,716.03
  5. Step 5: Solve for x
    x = 12,741,354,145,716.03/4,920,756.30
  6. Step 6: Final answer
    x = 2,589,308.10

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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.