Home / 1,912,353.49-2,867,615.34-1,113,862.78

Finding the Fourth Proportional to 1,912,353.49, 2,867,615.34 and 1,113,862.78

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Solution

The fourth proportional to 1,912,353.49, 2,867,615.34 and 1,113,862.78 is: 1,670,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,353.49 : 2,867,615.34 = 1,113,862.78 : x
  2. Step 2: Convert to fraction form
    1,912,353.49/2,867,615.34 = 1,113,862.78/x
  3. Step 3: Cross multiply
    1,912,353.49x = 2,867,615.34 × 1,113,862.78
  4. Step 4: Simplify right side
    1,912,353.49x = 3,194,129,994,583.05
  5. Step 5: Solve for x
    x = 3,194,129,994,583.05/1,912,353.49
  6. Step 6: Final answer
    x = 1,670,261.28

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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.