Home / 1,912,675.64-2,639,492.12-1,053,233.78

Finding the Fourth Proportional to 1,912,675.64, 2,639,492.12 and 1,053,233.78

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Solution

The fourth proportional to 1,912,675.64, 2,639,492.12 and 1,053,233.78 is: 1,453,462.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,675.64 : 2,639,492.12 = 1,053,233.78 : x
  2. Step 2: Convert to fraction form
    1,912,675.64/2,639,492.12 = 1,053,233.78/x
  3. Step 3: Cross multiply
    1,912,675.64x = 2,639,492.12 × 1,053,233.78
  4. Step 4: Simplify right side
    1,912,675.64x = 2,780,002,252,263.44
  5. Step 5: Solve for x
    x = 2,780,002,252,263.44/1,912,675.64
  6. Step 6: Final answer
    x = 1,453,462.47

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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.