Home / 1,635,943.80-2,257,580.97-947,709.48

Finding the Fourth Proportional to 1,635,943.80, 2,257,580.97 and 947,709.48

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Solution

The fourth proportional to 1,635,943.80, 2,257,580.97 and 947,709.48 is: 1,307,826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,943.80 : 2,257,580.97 = 947,709.48 : x
  2. Step 2: Convert to fraction form
    1,635,943.80/2,257,580.97 = 947,709.48/x
  3. Step 3: Cross multiply
    1,635,943.80x = 2,257,580.97 × 947,709.48
  4. Step 4: Simplify right side
    1,635,943.80x = 2,139,530,887,136.60
  5. Step 5: Solve for x
    x = 2,139,530,887,136.60/1,635,943.80
  6. Step 6: Final answer
    x = 1,307,826.64

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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.