Finding the Fourth Proportional to 5,331,989.84, 7,993,183.68 and 1,917,876.63
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Solution
The fourth proportional to 5,331,989.84, 7,993,183.68 and 1,917,876.63 is: 2,875,088.03
Step by Step Solution
- Step 1: Write the proportion equation
5,331,989.84 : 7,993,183.68 = 1,917,876.63 : x - Step 2: Convert to fraction form
5,331,989.84/7,993,183.68 = 1,917,876.63/x - Step 3: Cross multiply
5,331,989.84x = 7,993,183.68 × 1,917,876.63 - Step 4: Simplify right side
5,331,989.84x = 15,329,940,152,941.36 - Step 5: Solve for x
x = 15,329,940,152,941.36/5,331,989.84 - Step 6: Final answer
x = 2,875,088.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.