Home / 2,646,889.78-3,968,733.00-1,187,668.71

Finding the Fourth Proportional to 2,646,889.78, 3,968,733.00 and 1,187,668.71

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Solution

The fourth proportional to 2,646,889.78, 3,968,733.00 and 1,187,668.71 is: 1,780,784.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,889.78 : 3,968,733.00 = 1,187,668.71 : x
  2. Step 2: Convert to fraction form
    2,646,889.78/3,968,733.00 = 1,187,668.71/x
  3. Step 3: Cross multiply
    2,646,889.78x = 3,968,733.00 × 1,187,668.71
  4. Step 4: Simplify right side
    2,646,889.78x = 4,713,539,985,334.80
  5. Step 5: Solve for x
    x = 4,713,539,985,334.80/2,646,889.78
  6. Step 6: Final answer
    x = 1,780,784.38

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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.