Finding the Fourth Proportional to 5,905,376.84, 8,149,420.14 and 3,189,122.84
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Solution
The fourth proportional to 5,905,376.84, 8,149,420.14 and 3,189,122.84 is: 4,400,989.57
Step by Step Solution
- Step 1: Write the proportion equation
5,905,376.84 : 8,149,420.14 = 3,189,122.84 : x - Step 2: Convert to fraction form
5,905,376.84/8,149,420.14 = 3,189,122.84/x - Step 3: Cross multiply
5,905,376.84x = 8,149,420.14 × 3,189,122.84 - Step 4: Simplify right side
5,905,376.84x = 25,989,501,901,230.00 - Step 5: Solve for x
x = 25,989,501,901,230.00/5,905,376.84 - Step 6: Final answer
x = 4,400,989.57
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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.