Home / 4,245,767.40-6,369,039.90-1,720,900.20

Finding the Fourth Proportional to 4,245,767.40, 6,369,039.90 and 1,720,900.20

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Solution

The fourth proportional to 4,245,767.40, 6,369,039.90 and 1,720,900.20 is: 2,581,507.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245,767.40 : 6,369,039.90 = 1,720,900.20 : x
  2. Step 2: Convert to fraction form
    4,245,767.40/6,369,039.90 = 1,720,900.20/x
  3. Step 3: Cross multiply
    4,245,767.40x = 6,369,039.90 × 1,720,900.20
  4. Step 4: Simplify right side
    4,245,767.40x = 10,960,482,037,717.98
  5. Step 5: Solve for x
    x = 10,960,482,037,717.98/4,245,767.40
  6. Step 6: Final answer
    x = 2,581,507.89

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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.