Finding the Fourth Proportional to 3,078,451.02, 4,248,268.17 and 1,720,324.02
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Solution
The fourth proportional to 3,078,451.02, 4,248,268.17 and 1,720,324.02 is: 2,374,050.37
Step by Step Solution
- Step 1: Write the proportion equation
3,078,451.02 : 4,248,268.17 = 1,720,324.02 : x - Step 2: Convert to fraction form
3,078,451.02/4,248,268.17 = 1,720,324.02/x - Step 3: Cross multiply
3,078,451.02x = 4,248,268.17 × 1,720,324.02 - Step 4: Simplify right side
3,078,451.02x = 7,308,397,776,252.44 - Step 5: Solve for x
x = 7,308,397,776,252.44/3,078,451.02 - Step 6: Final answer
x = 2,374,050.37
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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.