Finding the Fourth Proportional to 5,413,220.74, 8,121,643.90 and 1,770,118.62
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Solution
The fourth proportional to 5,413,220.74, 8,121,643.90 and 1,770,118.62 is: 2,655,770.71
Step by Step Solution
- Step 1: Write the proportion equation
5,413,220.74 : 8,121,643.90 = 1,770,118.62 : x - Step 2: Convert to fraction form
5,413,220.74/8,121,643.90 = 1,770,118.62/x - Step 3: Cross multiply
5,413,220.74x = 8,121,643.90 × 1,770,118.62 - Step 4: Simplify right side
5,413,220.74x = 14,376,273,066,230.48 - Step 5: Solve for x
x = 14,376,273,066,230.48/5,413,220.74 - Step 6: Final answer
x = 2,655,770.71
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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.