Finding the Fourth Proportional to 1,284,944.97, 1,927,071.99 and 386,185.98
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Solution
The fourth proportional to 1,284,944.97, 1,927,071.99 and 386,185.98 is: 579,175.14
Step by Step Solution
- Step 1: Write the proportion equation
1,284,944.97 : 1,927,071.99 = 386,185.98 : x - Step 2: Convert to fraction form
1,284,944.97/1,927,071.99 = 386,185.98/x - Step 3: Cross multiply
1,284,944.97x = 1,927,071.99 × 386,185.98 - Step 4: Simplify right side
1,284,944.97x = 744,208,184,988.70 - Step 5: Solve for x
x = 744,208,184,988.70/1,284,944.97 - Step 6: Final answer
x = 579,175.14
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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.