Finding the Fourth Proportional to 3,788,875.16, 5,227,935.49 and 2,157,183.62
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Solution
The fourth proportional to 3,788,875.16, 5,227,935.49 and 2,157,183.62 is: 2,976,507.89
Step by Step Solution
- Step 1: Write the proportion equation
3,788,875.16 : 5,227,935.49 = 2,157,183.62 : x - Step 2: Convert to fraction form
3,788,875.16/5,227,935.49 = 2,157,183.62/x - Step 3: Cross multiply
3,788,875.16x = 5,227,935.49 × 2,157,183.62 - Step 4: Simplify right side
3,788,875.16x = 11,277,616,821,210.99 - Step 5: Solve for x
x = 11,277,616,821,210.99/3,788,875.16 - Step 6: Final answer
x = 2,976,507.89
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1.5x scale
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.