Finding the Fourth Proportional to 1,687,847.58, 2,329,230.39 and 923,905.50
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Solution
The fourth proportional to 1,687,847.58, 2,329,230.39 and 923,905.50 is: 1,274,989.99
Step by Step Solution
- Step 1: Write the proportion equation
1,687,847.58 : 2,329,230.39 = 923,905.50 : x - Step 2: Convert to fraction form
1,687,847.58/2,329,230.39 = 923,905.50/x - Step 3: Cross multiply
1,687,847.58x = 2,329,230.39 × 923,905.50 - Step 4: Simplify right side
1,687,847.58x = 2,151,988,768,088.15 - Step 5: Solve for x
x = 2,151,988,768,088.15/1,687,847.58 - Step 6: Final answer
x = 1,274,989.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.