Finding the Fourth Proportional to 3,587,422.58, 5,378,610.79 and 1,666,294.09
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Solution
The fourth proportional to 3,587,422.58, 5,378,610.79 and 1,666,294.09 is: 2,498,269.21
Step by Step Solution
- Step 1: Write the proportion equation
3,587,422.58 : 5,378,610.79 = 1,666,294.09 : x - Step 2: Convert to fraction form
3,587,422.58/5,378,610.79 = 1,666,294.09/x - Step 3: Cross multiply
3,587,422.58x = 5,378,610.79 × 1,666,294.09 - Step 4: Simplify right side
3,587,422.58x = 8,962,347,371,787.23 - Step 5: Solve for x
x = 8,962,347,371,787.23/3,587,422.58 - Step 6: Final answer
x = 2,498,269.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.