Home / 3,984,019.65-5,963,658.99-2,157,848.91

Finding the Fourth Proportional to 3,984,019.65, 5,963,658.99 and 2,157,848.91

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Solution

The fourth proportional to 3,984,019.65, 5,963,658.99 and 2,157,848.91 is: 3,230,073.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984,019.65 : 5,963,658.99 = 2,157,848.91 : x
  2. Step 2: Convert to fraction form
    3,984,019.65/5,963,658.99 = 2,157,848.91/x
  3. Step 3: Cross multiply
    3,984,019.65x = 5,963,658.99 × 2,157,848.91
  4. Step 4: Simplify right side
    3,984,019.65x = 12,868,675,061,297.90
  5. Step 5: Solve for x
    x = 12,868,675,061,297.90/3,984,019.65
  6. Step 6: Final answer
    x = 3,230,073.19

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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.