Home / 1,954,790.05-2,696,010.88-1,375,929.42

Finding the Fourth Proportional to 1,954,790.05, 2,696,010.88 and 1,375,929.42

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Solution

The fourth proportional to 1,954,790.05, 2,696,010.88 and 1,375,929.42 is: 1,897,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,790.05 : 2,696,010.88 = 1,375,929.42 : x
  2. Step 2: Convert to fraction form
    1,954,790.05/2,696,010.88 = 1,375,929.42/x
  3. Step 3: Cross multiply
    1,954,790.05x = 2,696,010.88 × 1,375,929.42
  4. Step 4: Simplify right side
    1,954,790.05x = 3,709,520,666,072.39
  5. Step 5: Solve for x
    x = 3,709,520,666,072.39/1,954,790.05
  6. Step 6: Final answer
    x = 1,897,656.82

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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.