Finding the Fourth Proportional to 1,211,537.51, 1,671,933.09 and 667,693.17
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Solution
The fourth proportional to 1,211,537.51, 1,671,933.09 and 667,693.17 is: 921,422.82
Step by Step Solution
- Step 1: Write the proportion equation
1,211,537.51 : 1,671,933.09 = 667,693.17 : x - Step 2: Convert to fraction form
1,211,537.51/1,671,933.09 = 667,693.17/x - Step 3: Cross multiply
1,211,537.51x = 1,671,933.09 × 667,693.17 - Step 4: Simplify right side
1,211,537.51x = 1,116,338,304,890.00 - Step 5: Solve for x
x = 1,116,338,304,890.00/1,211,537.51 - Step 6: Final answer
x = 921,422.82
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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.