Finding the Fourth Proportional to 4,138,366.30, 5,707,710.16 and 2,688,528.88
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Solution
The fourth proportional to 4,138,366.30, 5,707,710.16 and 2,688,528.88 is: 3,708,067.99
Step by Step Solution
- Step 1: Write the proportion equation
4,138,366.30 : 5,707,710.16 = 2,688,528.88 : x - Step 2: Convert to fraction form
4,138,366.30/5,707,710.16 = 2,688,528.88/x - Step 3: Cross multiply
4,138,366.30x = 5,707,710.16 × 2,688,528.88 - Step 4: Simplify right side
4,138,366.30x = 15,345,343,603,829.42 - Step 5: Solve for x
x = 15,345,343,603,829.42/4,138,366.30 - Step 6: Final answer
x = 3,708,067.99
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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.