Home / 2,275,121.12-3,139,647.90-1,256,504

Finding the Fourth Proportional to 2,275,121.12, 3,139,647.90 and 1,256,504

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Solution

The fourth proportional to 2,275,121.12, 3,139,647.90 and 1,256,504 is: 1,733,964.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275,121.12 : 3,139,647.90 = 1,256,504 : x
  2. Step 2: Convert to fraction form
    2,275,121.12/3,139,647.90 = 1,256,504/x
  3. Step 3: Cross multiply
    2,275,121.12x = 3,139,647.90 × 1,256,504
  4. Step 4: Simplify right side
    2,275,121.12x = 3,944,980,144,941.60
  5. Step 5: Solve for x
    x = 3,944,980,144,941.60/2,275,121.12
  6. Step 6: Final answer
    x = 1,733,964.89

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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.