Finding the Fourth Proportional to 4,178,543.20, 6,268,981.20 and 2,048,696.80
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Solution
The fourth proportional to 4,178,543.20, 6,268,981.20 and 2,048,696.80 is: 3,073,617.07
Step by Step Solution
- Step 1: Write the proportion equation
4,178,543.20 : 6,268,981.20 = 2,048,696.80 : x - Step 2: Convert to fraction form
4,178,543.20/6,268,981.20 = 2,048,696.80/x - Step 3: Cross multiply
4,178,543.20x = 6,268,981.20 × 2,048,696.80 - Step 4: Simplify right side
4,178,543.20x = 12,843,241,723,700.16 - Step 5: Solve for x
x = 12,843,241,723,700.16/4,178,543.20 - Step 6: Final answer
x = 3,073,617.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.