Finding the Fourth Proportional to 2,291,087.36, 3,161,613.12 and 1,272,557.44
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Solution
The fourth proportional to 2,291,087.36, 3,161,613.12 and 1,272,557.44 is: 1,756,080.70
Step by Step Solution
- Step 1: Write the proportion equation
2,291,087.36 : 3,161,613.12 = 1,272,557.44 : x - Step 2: Convert to fraction form
2,291,087.36/3,161,613.12 = 1,272,557.44/x - Step 3: Cross multiply
2,291,087.36x = 3,161,613.12 × 1,272,557.44 - Step 4: Simplify right side
2,291,087.36x = 4,023,334,298,257.61 - Step 5: Solve for x
x = 4,023,334,298,257.61/2,291,087.36 - Step 6: Final answer
x = 1,756,080.70
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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.