Home / 2,217,974.60-3,328,448.02-778,662.30

Finding the Fourth Proportional to 2,217,974.60, 3,328,448.02 and 778,662.30

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Solution

The fourth proportional to 2,217,974.60, 3,328,448.02 and 778,662.30 is: 1,168,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,974.60 : 3,328,448.02 = 778,662.30 : x
  2. Step 2: Convert to fraction form
    2,217,974.60/3,328,448.02 = 778,662.30/x
  3. Step 3: Cross multiply
    2,217,974.60x = 3,328,448.02 × 778,662.30
  4. Step 4: Simplify right side
    2,217,974.60x = 2,591,736,990,683.65
  5. Step 5: Solve for x
    x = 2,591,736,990,683.65/2,217,974.60
  6. Step 6: Final answer
    x = 1,168,515.18

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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.