Finding the Fourth Proportional to 3,700,317.13, 5,551,267.98 and 1,106,825.60
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Solution
The fourth proportional to 3,700,317.13, 5,551,267.98 and 1,106,825.60 is: 1,660,475.39
Step by Step Solution
- Step 1: Write the proportion equation
3,700,317.13 : 5,551,267.98 = 1,106,825.60 : x - Step 2: Convert to fraction form
3,700,317.13/5,551,267.98 = 1,106,825.60/x - Step 3: Cross multiply
3,700,317.13x = 5,551,267.98 × 1,106,825.60 - Step 4: Simplify right side
3,700,317.13x = 6,144,285,512,724.29 - Step 5: Solve for x
x = 6,144,285,512,724.29/3,700,317.13 - Step 6: Final answer
x = 1,660,475.39
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1.5x scale
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.