Home / 2,628,306.80-3,944,015.40-1,916,543.60

Finding the Fourth Proportional to 2,628,306.80, 3,944,015.40 and 1,916,543.60

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Solution

The fourth proportional to 2,628,306.80, 3,944,015.40 and 1,916,543.60 is: 2,875,949.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,306.80 : 3,944,015.40 = 1,916,543.60 : x
  2. Step 2: Convert to fraction form
    2,628,306.80/3,944,015.40 = 1,916,543.60/x
  3. Step 3: Cross multiply
    2,628,306.80x = 3,944,015.40 × 1,916,543.60
  4. Step 4: Simplify right side
    2,628,306.80x = 7,558,877,473,171.44
  5. Step 5: Solve for x
    x = 7,558,877,473,171.44/2,628,306.80
  6. Step 6: Final answer
    x = 2,875,949.44

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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.