Home / 2,874,847.80-4,312,271.70-2,642,604.60

Finding the Fourth Proportional to 2,874,847.80, 4,312,271.70 and 2,642,604.60

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Solution

The fourth proportional to 2,874,847.80, 4,312,271.70 and 2,642,604.60 is: 3,963,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874,847.80 : 4,312,271.70 = 2,642,604.60 : x
  2. Step 2: Convert to fraction form
    2,874,847.80/4,312,271.70 = 2,642,604.60/x
  3. Step 3: Cross multiply
    2,874,847.80x = 4,312,271.70 × 2,642,604.60
  4. Step 4: Simplify right side
    2,874,847.80x = 11,395,629,030,869.82
  5. Step 5: Solve for x
    x = 11,395,629,030,869.82/2,874,847.80
  6. Step 6: Final answer
    x = 3,963,906.90

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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.