Finding the Fourth Proportional to 1,950,659.35, 2,691,992.28 and 1,205,750.75
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Solution
The fourth proportional to 1,950,659.35, 2,691,992.28 and 1,205,750.75 is: 1,663,986.95
Step by Step Solution
- Step 1: Write the proportion equation
1,950,659.35 : 2,691,992.28 = 1,205,750.75 : x - Step 2: Convert to fraction form
1,950,659.35/2,691,992.28 = 1,205,750.75/x - Step 3: Cross multiply
1,950,659.35x = 2,691,992.28 × 1,205,750.75 - Step 4: Simplify right side
1,950,659.35x = 3,245,871,703,874.23 - Step 5: Solve for x
x = 3,245,871,703,874.23/1,950,659.35 - Step 6: Final answer
x = 1,663,986.95
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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.