Finding the Fourth Proportional to 1,888,394.37, 2,833,428.80 and 989,622.42
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Solution
The fourth proportional to 1,888,394.37, 2,833,428.80 and 989,622.42 is: 1,484,872.39
Step by Step Solution
- Step 1: Write the proportion equation
1,888,394.37 : 2,833,428.80 = 989,622.42 : x - Step 2: Convert to fraction form
1,888,394.37/2,833,428.80 = 989,622.42/x - Step 3: Cross multiply
1,888,394.37x = 2,833,428.80 × 989,622.42 - Step 4: Simplify right side
1,888,394.37x = 2,804,024,665,953.70 - Step 5: Solve for x
x = 2,804,024,665,953.70/1,888,394.37 - Step 6: Final answer
x = 1,484,872.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.