Finding the Fourth Proportional to 4,107,081.68, 6,158,367.48 and 1,266,405.20
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Solution
The fourth proportional to 4,107,081.68, 6,158,367.48 and 1,266,405.20 is: 1,898,912.47
Step by Step Solution
- Step 1: Write the proportion equation
4,107,081.68 : 6,158,367.48 = 1,266,405.20 : x - Step 2: Convert to fraction form
4,107,081.68/6,158,367.48 = 1,266,405.20/x - Step 3: Cross multiply
4,107,081.68x = 6,158,367.48 × 1,266,405.20 - Step 4: Simplify right side
4,107,081.68x = 7,798,988,600,182.90 - Step 5: Solve for x
x = 7,798,988,600,182.90/4,107,081.68 - Step 6: Final answer
x = 1,898,912.47
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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.