Finding the Fourth Proportional to 2,890,584.23, 3,988,849.12 and 1,601,347.73
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Solution
The fourth proportional to 2,890,584.23, 3,988,849.12 and 1,601,347.73 is: 2,209,772.82
Step by Step Solution
- Step 1: Write the proportion equation
2,890,584.23 : 3,988,849.12 = 1,601,347.73 : x - Step 2: Convert to fraction form
2,890,584.23/3,988,849.12 = 1,601,347.73/x - Step 3: Cross multiply
2,890,584.23x = 3,988,849.12 × 1,601,347.73 - Step 4: Simplify right side
2,890,584.23x = 6,387,534,459,676.88 - Step 5: Solve for x
x = 6,387,534,459,676.88/2,890,584.23 - Step 6: Final answer
x = 2,209,772.82
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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.