Home / 1,926,744.78-2,658,793.48-1,055,405.28

Finding the Fourth Proportional to 1,926,744.78, 2,658,793.48 and 1,055,405.28

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Solution

The fourth proportional to 1,926,744.78, 2,658,793.48 and 1,055,405.28 is: 1,456,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,744.78 : 2,658,793.48 = 1,055,405.28 : x
  2. Step 2: Convert to fraction form
    1,926,744.78/2,658,793.48 = 1,055,405.28/x
  3. Step 3: Cross multiply
    1,926,744.78x = 2,658,793.48 × 1,055,405.28
  4. Step 4: Simplify right side
    1,926,744.78x = 2,806,104,674,628.22
  5. Step 5: Solve for x
    x = 2,806,104,674,628.22/1,926,744.78
  6. Step 6: Final answer
    x = 1,456,396.67

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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.