Finding the Fourth Proportional to 5,471,460.63, 8,208,082.85 and 1,684,943.51
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Solution
The fourth proportional to 5,471,460.63, 8,208,082.85 and 1,684,943.51 is: 2,527,689.92
Step by Step Solution
- Step 1: Write the proportion equation
5,471,460.63 : 8,208,082.85 = 1,684,943.51 : x - Step 2: Convert to fraction form
5,471,460.63/8,208,082.85 = 1,684,943.51/x - Step 3: Cross multiply
5,471,460.63x = 8,208,082.85 × 1,684,943.51 - Step 4: Simplify right side
5,471,460.63x = 13,830,155,878,184.67 - Step 5: Solve for x
x = 13,830,155,878,184.67/5,471,460.63 - Step 6: Final answer
x = 2,527,689.92
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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.