Finding the Fourth Proportional to 3,119,191.10, 4,302,113.55 and 2,684,331.68
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Solution
The fourth proportional to 3,119,191.10, 4,302,113.55 and 2,684,331.68 is: 3,702,337.99
Step by Step Solution
- Step 1: Write the proportion equation
3,119,191.10 : 4,302,113.55 = 2,684,331.68 : x - Step 2: Convert to fraction form
3,119,191.10/4,302,113.55 = 2,684,331.68/x - Step 3: Cross multiply
3,119,191.10x = 4,302,113.55 × 2,684,331.68 - Step 4: Simplify right side
3,119,191.10x = 11,548,299,693,222.26 - Step 5: Solve for x
x = 11,548,299,693,222.26/3,119,191.10 - Step 6: Final answer
x = 3,702,337.99
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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.