Finding the Fourth Proportional to 4,014,299.54, 5,539,738.56 and 2,178,757.63
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Solution
The fourth proportional to 4,014,299.54, 5,539,738.56 and 2,178,757.63 is: 3,006,688.35
Step by Step Solution
- Step 1: Write the proportion equation
4,014,299.54 : 5,539,738.56 = 2,178,757.63 : x - Step 2: Convert to fraction form
4,014,299.54/5,539,738.56 = 2,178,757.63/x - Step 3: Cross multiply
4,014,299.54x = 5,539,738.56 × 2,178,757.63 - Step 4: Simplify right side
4,014,299.54x = 12,069,747,655,805.21 - Step 5: Solve for x
x = 12,069,747,655,805.21/4,014,299.54 - Step 6: Final answer
x = 3,006,688.35
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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.