Finding the Fourth Proportional to 1,587,665.41, 2,378,397.74 and 1,268,481.26
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Solution
The fourth proportional to 1,587,665.41, 2,378,397.74 and 1,268,481.26 is: 1,900,244.82
Step by Step Solution
- Step 1: Write the proportion equation
1,587,665.41 : 2,378,397.74 = 1,268,481.26 : x - Step 2: Convert to fraction form
1,587,665.41/2,378,397.74 = 1,268,481.26/x - Step 3: Cross multiply
1,587,665.41x = 2,378,397.74 × 1,268,481.26 - Step 4: Simplify right side
1,587,665.41x = 3,016,952,961,619.94 - Step 5: Solve for x
x = 3,016,952,961,619.94/1,587,665.41 - Step 6: Final answer
x = 1,900,244.82
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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.