Finding the Fourth Proportional to 6,453,781.54, 9,680,750.07 and 1,966,096.42
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Solution
The fourth proportional to 6,453,781.54, 9,680,750.07 and 1,966,096.42 is: 2,949,168.32
Step by Step Solution
- Step 1: Write the proportion equation
6,453,781.54 : 9,680,750.07 = 1,966,096.42 : x - Step 2: Convert to fraction form
6,453,781.54/9,680,750.07 = 1,966,096.42/x - Step 3: Cross multiply
6,453,781.54x = 9,680,750.07 × 1,966,096.42 - Step 4: Simplify right side
6,453,781.54x = 19,033,288,055,541.75 - Step 5: Solve for x
x = 19,033,288,055,541.75/6,453,781.54 - Step 6: Final answer
x = 2,949,168.32
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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.