Finding the Fourth Proportional to 4,857,035.28, 6,702,575.24 and 2,681,538.80
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Solution
The fourth proportional to 4,857,035.28, 6,702,575.24 and 2,681,538.80 is: 3,700,449.87
Step by Step Solution
- Step 1: Write the proportion equation
4,857,035.28 : 6,702,575.24 = 2,681,538.80 : x - Step 2: Convert to fraction form
4,857,035.28/6,702,575.24 = 2,681,538.80/x - Step 3: Cross multiply
4,857,035.28x = 6,702,575.24 × 2,681,538.80 - Step 4: Simplify right side
4,857,035.28x = 17,973,215,565,979.31 - Step 5: Solve for x
x = 17,973,215,565,979.31/4,857,035.28 - Step 6: Final answer
x = 3,700,449.87
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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.