Home / 1,969,667.40-2,954,501.10-1,260,496.20

Finding the Fourth Proportional to 1,969,667.40, 2,954,501.10 and 1,260,496.20

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Solution

The fourth proportional to 1,969,667.40, 2,954,501.10 and 1,260,496.20 is: 1,890,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,667.40 : 2,954,501.10 = 1,260,496.20 : x
  2. Step 2: Convert to fraction form
    1,969,667.40/2,954,501.10 = 1,260,496.20/x
  3. Step 3: Cross multiply
    1,969,667.40x = 2,954,501.10 × 1,260,496.20
  4. Step 4: Simplify right side
    1,969,667.40x = 3,724,137,409,445.82
  5. Step 5: Solve for x
    x = 3,724,137,409,445.82/1,969,667.40
  6. Step 6: Final answer
    x = 1,890,744.30

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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.