Finding the Fourth Proportional to 3,531,881.12, 4,874,933.28 and 2,174,891.36
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Solution
The fourth proportional to 3,531,881.12, 4,874,933.28 and 2,174,891.36 is: 3,001,927.28
Step by Step Solution
- Step 1: Write the proportion equation
3,531,881.12 : 4,874,933.28 = 2,174,891.36 : x - Step 2: Convert to fraction form
3,531,881.12/4,874,933.28 = 2,174,891.36/x - Step 3: Cross multiply
3,531,881.12x = 4,874,933.28 × 2,174,891.36 - Step 4: Simplify right side
3,531,881.12x = 10,602,450,271,248.46 - Step 5: Solve for x
x = 10,602,450,271,248.46/3,531,881.12 - Step 6: Final answer
x = 3,001,927.28
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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.