Finding the Fourth Proportional to 3,531,885.12, 4,874,938.80 and 2,174,895.36
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Solution
The fourth proportional to 3,531,885.12, 4,874,938.80 and 2,174,895.36 is: 3,001,932.80
Step by Step Solution
- Step 1: Write the proportion equation
3,531,885.12 : 4,874,938.80 = 2,174,895.36 : x - Step 2: Convert to fraction form
3,531,885.12/4,874,938.80 = 2,174,895.36/x - Step 3: Cross multiply
3,531,885.12x = 4,874,938.80 × 2,174,895.36 - Step 4: Simplify right side
3,531,885.12x = 10,602,481,776,403.97 - Step 5: Solve for x
x = 10,602,481,776,403.97/3,531,885.12 - Step 6: Final answer
x = 3,001,932.80
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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.