Finding the Fourth Proportional to 4,268,617.10, 6,403,262.61 and 1,428,739.82
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Solution
The fourth proportional to 4,268,617.10, 6,403,262.61 and 1,428,739.82 is: 2,143,222.51
Step by Step Solution
- Step 1: Write the proportion equation
4,268,617.10 : 6,403,262.61 = 1,428,739.82 : x - Step 2: Convert to fraction form
4,268,617.10/6,403,262.61 = 1,428,739.82/x - Step 3: Cross multiply
4,268,617.10x = 6,403,262.61 × 1,428,739.82 - Step 4: Simplify right side
4,268,617.10x = 9,148,596,268,824.13 - Step 5: Solve for x
x = 9,148,596,268,824.13/4,268,617.10 - Step 6: Final answer
x = 2,143,222.51
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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.