Home / 1,921,021.84-2,650,740.90-1,104,915.28

Finding the Fourth Proportional to 1,921,021.84, 2,650,740.90 and 1,104,915.28

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Solution

The fourth proportional to 1,921,021.84, 2,650,740.90 and 1,104,915.28 is: 1,524,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,021.84 : 2,650,740.90 = 1,104,915.28 : x
  2. Step 2: Convert to fraction form
    1,921,021.84/2,650,740.90 = 1,104,915.28/x
  3. Step 3: Cross multiply
    1,921,021.84x = 2,650,740.90 × 1,104,915.28
  4. Step 4: Simplify right side
    1,921,021.84x = 2,928,844,123,730.95
  5. Step 5: Solve for x
    x = 2,928,844,123,730.95/1,921,021.84
  6. Step 6: Final answer
    x = 1,524,628.23

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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.