Home / 3,118,608.80-4,677,913.20-1,916,633.60

Finding the Fourth Proportional to 3,118,608.80, 4,677,913.20 and 1,916,633.60

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Solution

The fourth proportional to 3,118,608.80, 4,677,913.20 and 1,916,633.60 is: 2,874,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,608.80 : 4,677,913.20 = 1,916,633.60 : x
  2. Step 2: Convert to fraction form
    3,118,608.80/4,677,913.20 = 1,916,633.60/x
  3. Step 3: Cross multiply
    3,118,608.80x = 4,677,913.20 × 1,916,633.60
  4. Step 4: Simplify right side
    3,118,608.80x = 8,965,845,617,003.52
  5. Step 5: Solve for x
    x = 8,965,845,617,003.52/3,118,608.80
  6. Step 6: Final answer
    x = 2,874,950.40

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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.