Home / 3,219,920.40-4,829,880.60-2,275,136.40

Finding the Fourth Proportional to 3,219,920.40, 4,829,880.60 and 2,275,136.40

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Solution

The fourth proportional to 3,219,920.40, 4,829,880.60 and 2,275,136.40 is: 3,412,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,920.40 : 4,829,880.60 = 2,275,136.40 : x
  2. Step 2: Convert to fraction form
    3,219,920.40/4,829,880.60 = 2,275,136.40/x
  3. Step 3: Cross multiply
    3,219,920.40x = 4,829,880.60 × 2,275,136.40
  4. Step 4: Simplify right side
    3,219,920.40x = 10,988,637,160,713.84
  5. Step 5: Solve for x
    x = 10,988,637,160,713.84/3,219,920.40
  6. Step 6: Final answer
    x = 3,412,704.60

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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.