Finding the Fourth Proportional to 2,989,562.24, 4,125,683.52 and 1,631,522.56
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Solution
The fourth proportional to 2,989,562.24, 4,125,683.52 and 1,631,522.56 is: 2,251,548.96
Step by Step Solution
- Step 1: Write the proportion equation
2,989,562.24 : 4,125,683.52 = 1,631,522.56 : x - Step 2: Convert to fraction form
2,989,562.24/4,125,683.52 = 1,631,522.56/x - Step 3: Cross multiply
2,989,562.24x = 4,125,683.52 × 1,631,522.56 - Step 4: Simplify right side
2,989,562.24x = 6,731,145,738,300.21 - Step 5: Solve for x
x = 6,731,145,738,300.21/2,989,562.24 - Step 6: Final answer
x = 2,251,548.96
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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.