Finding the Fourth Proportional to 2,887,902.99, 4,334,342.81 and 2,002,061.07
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Solution
The fourth proportional to 2,887,902.99, 4,334,342.81 and 2,002,061.07 is: 3,004,816.65
Step by Step Solution
- Step 1: Write the proportion equation
2,887,902.99 : 4,334,342.81 = 2,002,061.07 : x - Step 2: Convert to fraction form
2,887,902.99/4,334,342.81 = 2,002,061.07/x - Step 3: Cross multiply
2,887,902.99x = 4,334,342.81 × 2,002,061.07 - Step 4: Simplify right side
2,887,902.99x = 8,677,618,993,925.10 - Step 5: Solve for x
x = 8,677,618,993,925.10/2,887,902.99 - Step 6: Final answer
x = 3,004,816.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.