Finding the Fourth Proportional to 3,638,943.69, 5,447,056.80 and 2,680,480.02
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Solution
The fourth proportional to 3,638,943.69, 5,447,056.80 and 2,680,480.02 is: 4,012,353.08
Step by Step Solution
- Step 1: Write the proportion equation
3,638,943.69 : 5,447,056.80 = 2,680,480.02 : x - Step 2: Convert to fraction form
3,638,943.69/5,447,056.80 = 2,680,480.02/x - Step 3: Cross multiply
3,638,943.69x = 5,447,056.80 × 2,680,480.02 - Step 4: Simplify right side
3,638,943.69x = 14,600,726,920,205.13 - Step 5: Solve for x
x = 14,600,726,920,205.13/3,638,943.69 - Step 6: Final answer
x = 4,012,353.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.