Home / 2,020,846.20-2,789,074.26-1,257,145.80

Finding the Fourth Proportional to 2,020,846.20, 2,789,074.26 and 1,257,145.80

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Solution

The fourth proportional to 2,020,846.20, 2,789,074.26 and 1,257,145.80 is: 1,735,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,846.20 : 2,789,074.26 = 1,257,145.80 : x
  2. Step 2: Convert to fraction form
    2,020,846.20/2,789,074.26 = 1,257,145.80/x
  3. Step 3: Cross multiply
    2,020,846.20x = 2,789,074.26 × 1,257,145.80
  4. Step 4: Simplify right side
    2,020,846.20x = 3,506,272,991,847.11
  5. Step 5: Solve for x
    x = 3,506,272,991,847.11/2,020,846.20
  6. Step 6: Final answer
    x = 1,735,051.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.