Finding the Fourth Proportional to 2,907,557.07, 4,012,428.87 and 1,618,369.85
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Solution
The fourth proportional to 2,907,557.07, 4,012,428.87 and 1,618,369.85 is: 2,233,350.45
Step by Step Solution
- Step 1: Write the proportion equation
2,907,557.07 : 4,012,428.87 = 1,618,369.85 : x - Step 2: Convert to fraction form
2,907,557.07/4,012,428.87 = 1,618,369.85/x - Step 3: Cross multiply
2,907,557.07x = 4,012,428.87 × 1,618,369.85 - Step 4: Simplify right side
2,907,557.07x = 6,493,593,888,415.43 - Step 5: Solve for x
x = 6,493,593,888,415.43/2,907,557.07 - Step 6: Final answer
x = 2,233,350.45
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1.5x scale
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.