Home / 2,047,874.40-3,074,338.80-1,289,714.40

Finding the Fourth Proportional to 2,047,874.40, 3,074,338.80 and 1,289,714.40

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Solution

The fourth proportional to 2,047,874.40, 3,074,338.80 and 1,289,714.40 is: 1,936,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047,874.40 : 3,074,338.80 = 1,289,714.40 : x
  2. Step 2: Convert to fraction form
    2,047,874.40/3,074,338.80 = 1,289,714.40/x
  3. Step 3: Cross multiply
    2,047,874.40x = 3,074,338.80 × 1,289,714.40
  4. Step 4: Simplify right side
    2,047,874.40x = 3,965,019,020,838.72
  5. Step 5: Solve for x
    x = 3,965,019,020,838.72/2,047,874.40
  6. Step 6: Final answer
    x = 1,936,163.19

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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.