Finding the Fourth Proportional to 1,562,402, 2,156,344.84 and 989,495.44
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Solution
The fourth proportional to 1,562,402, 2,156,344.84 and 989,495.44 is: 1,365,649.42
Step by Step Solution
- Step 1: Write the proportion equation
1,562,402 : 2,156,344.84 = 989,495.44 : x - Step 2: Convert to fraction form
1,562,402/2,156,344.84 = 989,495.44/x - Step 3: Cross multiply
1,562,402x = 2,156,344.84 × 989,495.44 - Step 4: Simplify right side
1,562,402x = 2,133,693,386,247.53 - Step 5: Solve for x
x = 2,133,693,386,247.53/1,562,402 - Step 6: Final answer
x = 1,365,649.42
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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.