Home / 3,208,292.41-4,812,442.15-812,136.84

Finding the Fourth Proportional to 3,208,292.41, 4,812,442.15 and 812,136.84

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Solution

The fourth proportional to 3,208,292.41, 4,812,442.15 and 812,136.84 is: 1,218,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,292.41 : 4,812,442.15 = 812,136.84 : x
  2. Step 2: Convert to fraction form
    3,208,292.41/4,812,442.15 = 812,136.84/x
  3. Step 3: Cross multiply
    3,208,292.41x = 4,812,442.15 × 812,136.84
  4. Step 4: Simplify right side
    3,208,292.41x = 3,908,361,560,383.81
  5. Step 5: Solve for x
    x = 3,908,361,560,383.81/3,208,292.41
  6. Step 6: Final answer
    x = 1,218,206.15

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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.