Finding the Fourth Proportional to 1,513,811.12, 2,270,057.34 and 434,085.08
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Solution
The fourth proportional to 1,513,811.12, 2,270,057.34 and 434,085.08 is: 650,938.55
Step by Step Solution
- Step 1: Write the proportion equation
1,513,811.12 : 2,270,057.34 = 434,085.08 : x - Step 2: Convert to fraction form
1,513,811.12/2,270,057.34 = 434,085.08/x - Step 3: Cross multiply
1,513,811.12x = 2,270,057.34 × 434,085.08 - Step 4: Simplify right side
1,513,811.12x = 985,398,022,038.49 - Step 5: Solve for x
x = 985,398,022,038.49/1,513,811.12 - Step 6: Final answer
x = 650,938.55
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1.5x scale
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.