Finding the Fourth Proportional to 1,753,816.44, 2,420,152.38 and 989,766.12
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Solution
The fourth proportional to 1,753,816.44, 2,420,152.38 and 989,766.12 is: 1,365,812.74
Step by Step Solution
- Step 1: Write the proportion equation
1,753,816.44 : 2,420,152.38 = 989,766.12 : x - Step 2: Convert to fraction form
1,753,816.44/2,420,152.38 = 989,766.12/x - Step 3: Cross multiply
1,753,816.44x = 2,420,152.38 × 989,766.12 - Step 4: Simplify right side
1,753,816.44x = 2,395,384,830,961.37 - Step 5: Solve for x
x = 2,395,384,830,961.37/1,753,816.44 - Step 6: Final answer
x = 1,365,812.74
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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.