Home / 7,090,361.97-10,634,886.85-1,972,869.45

Finding the Fourth Proportional to 7,090,361.97, 10,634,886.85 and 1,972,869.45

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Solution

The fourth proportional to 7,090,361.97, 10,634,886.85 and 1,972,869.45 is: 2,959,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090,361.97 : 10,634,886.85 = 1,972,869.45 : x
  2. Step 2: Convert to fraction form
    7,090,361.97/10,634,886.85 = 1,972,869.45/x
  3. Step 3: Cross multiply
    7,090,361.97x = 10,634,886.85 × 1,972,869.45
  4. Step 4: Simplify right side
    7,090,361.97x = 20,981,243,307,532.95
  5. Step 5: Solve for x
    x = 20,981,243,307,532.95/7,090,361.97
  6. Step 6: Final answer
    x = 2,959,121.61

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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.