Home / 1,912,956.31-2,639,847.81-1,053,596.53

Finding the Fourth Proportional to 1,912,956.31, 2,639,847.81 and 1,053,596.53

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Solution

The fourth proportional to 1,912,956.31, 2,639,847.81 and 1,053,596.53 is: 1,453,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,956.31 : 2,639,847.81 = 1,053,596.53 : x
  2. Step 2: Convert to fraction form
    1,912,956.31/2,639,847.81 = 1,053,596.53/x
  3. Step 3: Cross multiply
    1,912,956.31x = 2,639,847.81 × 1,053,596.53
  4. Step 4: Simplify right side
    1,912,956.31x = 2,781,334,492,344.10
  5. Step 5: Solve for x
    x = 2,781,334,492,344.10/1,912,956.31
  6. Step 6: Final answer
    x = 1,453,945.64

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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.