Finding the Fourth Proportional to 3,902,920.93, 5,854,939.08 and 1,207,476.23
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Solution
The fourth proportional to 3,902,920.93, 5,854,939.08 and 1,207,476.23 is: 1,811,386.88
Step by Step Solution
- Step 1: Write the proportion equation
3,902,920.93 : 5,854,939.08 = 1,207,476.23 : x - Step 2: Convert to fraction form
3,902,920.93/5,854,939.08 = 1,207,476.23/x - Step 3: Cross multiply
3,902,920.93x = 5,854,939.08 × 1,207,476.23 - Step 4: Simplify right side
3,902,920.93x = 7,069,699,761,160.69 - Step 5: Solve for x
x = 7,069,699,761,160.69/3,902,920.93 - Step 6: Final answer
x = 1,811,386.88
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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.