Finding the Fourth Proportional to 6,509,618.60, 8,983,806.02 and 3,609,919.04
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Solution
The fourth proportional to 6,509,618.60, 8,983,806.02 and 3,609,919.04 is: 4,981,983.49
Step by Step Solution
- Step 1: Write the proportion equation
6,509,618.60 : 8,983,806.02 = 3,609,919.04 : x - Step 2: Convert to fraction form
6,509,618.60/8,983,806.02 = 3,609,919.04/x - Step 3: Cross multiply
6,509,618.60x = 8,983,806.02 × 3,609,919.04 - Step 4: Simplify right side
6,509,618.60x = 32,430,812,403,264.62 - Step 5: Solve for x
x = 32,430,812,403,264.62/6,509,618.60 - Step 6: Final answer
x = 4,981,983.49
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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.