Home / 2,020,636.48-2,788,472.64-1,115,212

Finding the Fourth Proportional to 2,020,636.48, 2,788,472.64 and 1,115,212

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Solution

The fourth proportional to 2,020,636.48, 2,788,472.64 and 1,115,212 is: 1,538,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,636.48 : 2,788,472.64 = 1,115,212 : x
  2. Step 2: Convert to fraction form
    2,020,636.48/2,788,472.64 = 1,115,212/x
  3. Step 3: Cross multiply
    2,020,636.48x = 2,788,472.64 × 1,115,212
  4. Step 4: Simplify right side
    2,020,636.48x = 3,109,738,149,799.68
  5. Step 5: Solve for x
    x = 3,109,738,149,799.68/2,020,636.48
  6. Step 6: Final answer
    x = 1,538,989.41

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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.