Home / 2,019,871.20-3,029,806.80-1,895,455.20

Finding the Fourth Proportional to 2,019,871.20, 3,029,806.80 and 1,895,455.20

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Solution

The fourth proportional to 2,019,871.20, 3,029,806.80 and 1,895,455.20 is: 2,843,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,871.20 : 3,029,806.80 = 1,895,455.20 : x
  2. Step 2: Convert to fraction form
    2,019,871.20/3,029,806.80 = 1,895,455.20/x
  3. Step 3: Cross multiply
    2,019,871.20x = 3,029,806.80 × 1,895,455.20
  4. Step 4: Simplify right side
    2,019,871.20x = 5,742,863,054,055.36
  5. Step 5: Solve for x
    x = 5,742,863,054,055.36/2,019,871.20
  6. Step 6: Final answer
    x = 2,843,182.80

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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.