Finding the Fourth Proportional to 4,513,478.31, 6,771,902.84 and 1,818,568.08
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Solution
The fourth proportional to 4,513,478.31, 6,771,902.84 and 1,818,568.08 is: 2,728,531.19
Step by Step Solution
- Step 1: Write the proportion equation
4,513,478.31 : 6,771,902.84 = 1,818,568.08 : x - Step 2: Convert to fraction form
4,513,478.31/6,771,902.84 = 1,818,568.08/x - Step 3: Cross multiply
4,513,478.31x = 6,771,902.84 × 1,818,568.08 - Step 4: Simplify right side
4,513,478.31x = 12,315,166,336,592.51 - Step 5: Solve for x
x = 12,315,166,336,592.51/4,513,478.31 - Step 6: Final answer
x = 2,728,531.19
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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.