Finding the Fourth Proportional to 1,371,181.23, 1,891,995.12 and 855,097.02
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Solution
The fourth proportional to 1,371,181.23, 1,891,995.12 and 855,097.02 is: 1,179,887.35
Step by Step Solution
- Step 1: Write the proportion equation
1,371,181.23 : 1,891,995.12 = 855,097.02 : x - Step 2: Convert to fraction form
1,371,181.23/1,891,995.12 = 855,097.02/x - Step 3: Cross multiply
1,371,181.23x = 1,891,995.12 × 855,097.02 - Step 4: Simplify right side
1,371,181.23x = 1,617,839,388,966.54 - Step 5: Solve for x
x = 1,617,839,388,966.54/1,371,181.23 - Step 6: Final answer
x = 1,179,887.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.