Finding the Fourth Proportional to 5,437,120.66, 7,503,024.80 and 2,989,586.08
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Solution
The fourth proportional to 5,437,120.66, 7,503,024.80 and 2,989,586.08 is: 4,125,517.88
Step by Step Solution
- Step 1: Write the proportion equation
5,437,120.66 : 7,503,024.80 = 2,989,586.08 : x - Step 2: Convert to fraction form
5,437,120.66/7,503,024.80 = 2,989,586.08/x - Step 3: Cross multiply
5,437,120.66x = 7,503,024.80 × 2,989,586.08 - Step 4: Simplify right side
5,437,120.66x = 22,430,938,499,974.79 - Step 5: Solve for x
x = 22,430,938,499,974.79/5,437,120.66 - Step 6: Final answer
x = 4,125,517.88
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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.