Home / 1,912,630.22-2,639,429.70-1,053,188.43

Finding the Fourth Proportional to 1,912,630.22, 2,639,429.70 and 1,053,188.43

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Solution

The fourth proportional to 1,912,630.22, 2,639,429.70 and 1,053,188.43 is: 1,453,400.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,630.22 : 2,639,429.70 = 1,053,188.43 : x
  2. Step 2: Convert to fraction form
    1,912,630.22/2,639,429.70 = 1,053,188.43/x
  3. Step 3: Cross multiply
    1,912,630.22x = 2,639,429.70 × 1,053,188.43
  4. Step 4: Simplify right side
    1,912,630.22x = 2,779,816,813,915.24
  5. Step 5: Solve for x
    x = 2,779,816,813,915.24/1,912,630.22
  6. Step 6: Final answer
    x = 1,453,400.03

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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.