Home / 2,579,763.67-3,869,732.85-686,506.93

Finding the Fourth Proportional to 2,579,763.67, 3,869,732.85 and 686,506.93

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Solution

The fourth proportional to 2,579,763.67, 3,869,732.85 and 686,506.93 is: 1,029,783.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579,763.67 : 3,869,732.85 = 686,506.93 : x
  2. Step 2: Convert to fraction form
    2,579,763.67/3,869,732.85 = 686,506.93/x
  3. Step 3: Cross multiply
    2,579,763.67x = 3,869,732.85 × 686,506.93
  4. Step 4: Simplify right side
    2,579,763.67x = 2,656,598,418,773.65
  5. Step 5: Solve for x
    x = 2,656,598,418,773.65/2,579,763.67
  6. Step 6: Final answer
    x = 1,029,783.64

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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.