Finding the Fourth Proportional to 5,115,802.17, 7,667,039.27 and 2,079,621.53
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Solution
The fourth proportional to 5,115,802.17, 7,667,039.27 and 2,079,621.53 is: 3,116,723.31
Step by Step Solution
- Step 1: Write the proportion equation
5,115,802.17 : 7,667,039.27 = 2,079,621.53 : x - Step 2: Convert to fraction form
5,115,802.17/7,667,039.27 = 2,079,621.53/x - Step 3: Cross multiply
5,115,802.17x = 7,667,039.27 × 2,079,621.53 - Step 4: Simplify right side
5,115,802.17x = 15,944,539,888,514.18 - Step 5: Solve for x
x = 15,944,539,888,514.18/5,115,802.17 - Step 6: Final answer
x = 3,116,723.31
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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.