Finding the Fourth Proportional to 3,681,316.98, 5,521,767.78 and 1,631,387.13
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Solution
The fourth proportional to 3,681,316.98, 5,521,767.78 and 1,631,387.13 is: 2,446,988.66
Step by Step Solution
- Step 1: Write the proportion equation
3,681,316.98 : 5,521,767.78 = 1,631,387.13 : x - Step 2: Convert to fraction form
3,681,316.98/5,521,767.78 = 1,631,387.13/x - Step 3: Cross multiply
3,681,316.98x = 5,521,767.78 × 1,631,387.13 - Step 4: Simplify right side
3,681,316.98x = 9,008,140,891,140.67 - Step 5: Solve for x
x = 9,008,140,891,140.67/3,681,316.98 - Step 6: Final answer
x = 2,446,988.66
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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.