Finding the Fourth Proportional to 2,004,138.20, 2,999,208.90 and 1,402,275.80
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Solution
The fourth proportional to 2,004,138.20, 2,999,208.90 and 1,402,275.80 is: 2,098,516.99
Step by Step Solution
- Step 1: Write the proportion equation
2,004,138.20 : 2,999,208.90 = 1,402,275.80 : x - Step 2: Convert to fraction form
2,004,138.20/2,999,208.90 = 1,402,275.80/x - Step 3: Cross multiply
2,004,138.20x = 2,999,208.90 × 1,402,275.80 - Step 4: Simplify right side
2,004,138.20x = 4,205,718,059,614.62 - Step 5: Solve for x
x = 4,205,718,059,614.62/2,004,138.20 - Step 6: Final answer
x = 2,098,516.99
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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.