Finding the Fourth Proportional to 6,936,426.34, 9,571,974.12 and 3,838,659.99
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Solution
The fourth proportional to 6,936,426.34, 9,571,974.12 and 3,838,659.99 is: 5,297,187.95
Step by Step Solution
- Step 1: Write the proportion equation
6,936,426.34 : 9,571,974.12 = 3,838,659.99 : x - Step 2: Convert to fraction form
6,936,426.34/9,571,974.12 = 3,838,659.99/x - Step 3: Cross multiply
6,936,426.34x = 9,571,974.12 × 3,838,659.99 - Step 4: Simplify right side
6,936,426.34x = 36,743,554,070,785.73 - Step 5: Solve for x
x = 36,743,554,070,785.73/6,936,426.34 - Step 6: Final answer
x = 5,297,187.95
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1.5x scale
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.