Home / 2,198,633.80-3,296,030.70-851,715.40

Finding the Fourth Proportional to 2,198,633.80, 3,296,030.70 and 851,715.40

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Solution

The fourth proportional to 2,198,633.80, 3,296,030.70 and 851,715.40 is: 1,276,829.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,633.80 : 3,296,030.70 = 851,715.40 : x
  2. Step 2: Convert to fraction form
    2,198,633.80/3,296,030.70 = 851,715.40/x
  3. Step 3: Cross multiply
    2,198,633.80x = 3,296,030.70 × 851,715.40
  4. Step 4: Simplify right side
    2,198,633.80x = 2,807,280,106,062.78
  5. Step 5: Solve for x
    x = 2,807,280,106,062.78/2,198,633.80
  6. Step 6: Final answer
    x = 1,276,829.32

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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.