Finding the Fourth Proportional to 1,891,643.60, 2,837,468.64 and 1,514,960.12
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Solution
The fourth proportional to 1,891,643.60, 2,837,468.64 and 1,514,960.12 is: 2,272,442.77
Step by Step Solution
- Step 1: Write the proportion equation
1,891,643.60 : 2,837,468.64 = 1,514,960.12 : x - Step 2: Convert to fraction form
1,891,643.60/2,837,468.64 = 1,514,960.12/x - Step 3: Cross multiply
1,891,643.60x = 2,837,468.64 × 1,514,960.12 - Step 4: Simplify right side
1,891,643.60x = 4,298,651,831,350.64 - Step 5: Solve for x
x = 4,298,651,831,350.64/1,891,643.60 - Step 6: Final answer
x = 2,272,442.77
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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.