Finding the Fourth Proportional to 2,166,696.02, 2,990,035.67 and 1,248,919.08
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Solution
The fourth proportional to 2,166,696.02, 2,990,035.67 and 1,248,919.08 is: 1,723,505.54
Step by Step Solution
- Step 1: Write the proportion equation
2,166,696.02 : 2,990,035.67 = 1,248,919.08 : x - Step 2: Convert to fraction form
2,166,696.02/2,990,035.67 = 1,248,919.08/x - Step 3: Cross multiply
2,166,696.02x = 2,990,035.67 × 1,248,919.08 - Step 4: Simplify right side
2,166,696.02x = 3,734,312,591,898.99 - Step 5: Solve for x
x = 3,734,312,591,898.99/2,166,696.02 - Step 6: Final answer
x = 1,723,505.54
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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.