Finding the Fourth Proportional to 6,381,480.38, 8,807,428.35 and 3,768,264.05
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Solution
The fourth proportional to 6,381,480.38, 8,807,428.35 and 3,768,264.05 is: 5,200,786.28
Step by Step Solution
- Step 1: Write the proportion equation
6,381,480.38 : 8,807,428.35 = 3,768,264.05 : x - Step 2: Convert to fraction form
6,381,480.38/8,807,428.35 = 3,768,264.05/x - Step 3: Cross multiply
6,381,480.38x = 8,807,428.35 × 3,768,264.05 - Step 4: Simplify right side
6,381,480.38x = 33,188,715,580,218.67 - Step 5: Solve for x
x = 33,188,715,580,218.67/6,381,480.38 - Step 6: Final answer
x = 5,200,786.28
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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.