Finding the Fourth Proportional to 4,125,719.51, 6,188,621.94 and 1,247,110.19
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Solution
The fourth proportional to 4,125,719.51, 6,188,621.94 and 1,247,110.19 is: 1,870,678.18
Step by Step Solution
- Step 1: Write the proportion equation
4,125,719.51 : 6,188,621.94 = 1,247,110.19 : x - Step 2: Convert to fraction form
4,125,719.51/6,188,621.94 = 1,247,110.19/x - Step 3: Cross multiply
4,125,719.51x = 6,188,621.94 × 1,247,110.19 - Step 4: Simplify right side
4,125,719.51x = 7,717,893,483,431.57 - Step 5: Solve for x
x = 7,717,893,483,431.57/4,125,719.51 - Step 6: Final answer
x = 1,870,678.18
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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.