Finding the Fourth Proportional to 3,549,874.68, 4,898,826.81 and 1,918,282.77
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Solution
The fourth proportional to 3,549,874.68, 4,898,826.81 and 1,918,282.77 is: 2,647,230.09
Step by Step Solution
- Step 1: Write the proportion equation
3,549,874.68 : 4,898,826.81 = 1,918,282.77 : x - Step 2: Convert to fraction form
3,549,874.68/4,898,826.81 = 1,918,282.77/x - Step 3: Cross multiply
3,549,874.68x = 4,898,826.81 × 1,918,282.77 - Step 4: Simplify right side
3,549,874.68x = 9,397,335,062,837.06 - Step 5: Solve for x
x = 9,397,335,062,837.06/3,549,874.68 - Step 6: Final answer
x = 2,647,230.09
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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.