Home / 1,929,152.36-2,662,219.50-1,069,839.56

Finding the Fourth Proportional to 1,929,152.36, 2,662,219.50 and 1,069,839.56

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Solution

The fourth proportional to 1,929,152.36, 2,662,219.50 and 1,069,839.56 is: 1,476,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,152.36 : 2,662,219.50 = 1,069,839.56 : x
  2. Step 2: Convert to fraction form
    1,929,152.36/2,662,219.50 = 1,069,839.56/x
  3. Step 3: Cross multiply
    1,929,152.36x = 2,662,219.50 × 1,069,839.56
  4. Step 4: Simplify right side
    1,929,152.36x = 2,848,147,738,503.42
  5. Step 5: Solve for x
    x = 2,848,147,738,503.42/1,929,152.36
  6. Step 6: Final answer
    x = 1,476,372.63

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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.