Finding the Fourth Proportional to 3,119,191.60, 4,302,114.24 and 2,684,332.18
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Solution
The fourth proportional to 3,119,191.60, 4,302,114.24 and 2,684,332.18 is: 3,702,338.68
Step by Step Solution
- Step 1: Write the proportion equation
3,119,191.60 : 4,302,114.24 = 2,684,332.18 : x - Step 2: Convert to fraction form
3,119,191.60/4,302,114.24 = 2,684,332.18/x - Step 3: Cross multiply
3,119,191.60x = 4,302,114.24 × 2,684,332.18 - Step 4: Simplify right side
3,119,191.60x = 11,548,303,696,468.24 - Step 5: Solve for x
x = 11,548,303,696,468.24/3,119,191.60 - Step 6: Final answer
x = 3,702,338.68
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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.