Finding the Fourth Proportional to 4,658,581.80, 6,988,091.40 and 1,463,812.20
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Solution
The fourth proportional to 4,658,581.80, 6,988,091.40 and 1,463,812.20 is: 2,195,787.02
Step by Step Solution
- Step 1: Write the proportion equation
4,658,581.80 : 6,988,091.40 = 1,463,812.20 : x - Step 2: Convert to fraction form
4,658,581.80/6,988,091.40 = 1,463,812.20/x - Step 3: Cross multiply
4,658,581.80x = 6,988,091.40 × 1,463,812.20 - Step 4: Simplify right side
4,658,581.80x = 10,229,253,446,035.08 - Step 5: Solve for x
x = 10,229,253,446,035.08/4,658,581.80 - Step 6: Final answer
x = 2,195,787.02
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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.