Finding the Fourth Proportional to 1,991,350.77, 2,989,241.70 and 1,031,550.18
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Solution
The fourth proportional to 1,991,350.77, 2,989,241.70 and 1,031,550.18 is: 1,548,472.96
Step by Step Solution
- Step 1: Write the proportion equation
1,991,350.77 : 2,989,241.70 = 1,031,550.18 : x - Step 2: Convert to fraction form
1,991,350.77/2,989,241.70 = 1,031,550.18/x - Step 3: Cross multiply
1,991,350.77x = 2,989,241.70 × 1,031,550.18 - Step 4: Simplify right side
1,991,350.77x = 3,083,552,813,698.51 - Step 5: Solve for x
x = 3,083,552,813,698.51/1,991,350.77 - Step 6: Final answer
x = 1,548,472.96
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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.