Finding the Fourth Proportional to 1,397,005.36, 1,926,431.97 and 1,167,476.97
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Solution
The fourth proportional to 1,397,005.36, 1,926,431.97 and 1,167,476.97 is: 1,609,918.64
Step by Step Solution
- Step 1: Write the proportion equation
1,397,005.36 : 1,926,431.97 = 1,167,476.97 : x - Step 2: Convert to fraction form
1,397,005.36/1,926,431.97 = 1,167,476.97/x - Step 3: Cross multiply
1,397,005.36x = 1,926,431.97 × 1,167,476.97 - Step 4: Simplify right side
1,397,005.36x = 2,249,064,962,092.81 - Step 5: Solve for x
x = 2,249,064,962,092.81/1,397,005.36 - Step 6: Final answer
x = 1,609,918.64
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.