Finding the Fourth Proportional to 1,327,545.88, 1,989,811.77 and 1,167,311.68
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Solution
The fourth proportional to 1,327,545.88, 1,989,811.77 and 1,167,311.68 is: 1,749,642.37
Step by Step Solution
- Step 1: Write the proportion equation
1,327,545.88 : 1,989,811.77 = 1,167,311.68 : x - Step 2: Convert to fraction form
1,327,545.88/1,989,811.77 = 1,167,311.68/x - Step 3: Cross multiply
1,327,545.88x = 1,989,811.77 × 1,167,311.68 - Step 4: Simplify right side
1,327,545.88x = 2,322,730,520,122.47 - Step 5: Solve for x
x = 2,322,730,520,122.47/1,327,545.88 - Step 6: Final answer
x = 1,749,642.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.