Finding the Fourth Proportional to 3,460,410.43, 4,775,502.98 and 1,990,316.62
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Solution
The fourth proportional to 3,460,410.43, 4,775,502.98 and 1,990,316.62 is: 2,746,715.50
Step by Step Solution
- Step 1: Write the proportion equation
3,460,410.43 : 4,775,502.98 = 1,990,316.62 : x - Step 2: Convert to fraction form
3,460,410.43/4,775,502.98 = 1,990,316.62/x - Step 3: Cross multiply
3,460,410.43x = 4,775,502.98 × 1,990,316.62 - Step 4: Simplify right side
3,460,410.43x = 9,504,762,949,953.53 - Step 5: Solve for x
x = 9,504,762,949,953.53/3,460,410.43 - Step 6: Final answer
x = 2,746,715.50
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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.