Finding the Fourth Proportional to 4,213,528.20, 6,309,600.30 and 2,318,128.20
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Solution
The fourth proportional to 4,213,528.20, 6,309,600.30 and 2,318,128.20 is: 3,471,309.95
Step by Step Solution
- Step 1: Write the proportion equation
4,213,528.20 : 6,309,600.30 = 2,318,128.20 : x - Step 2: Convert to fraction form
4,213,528.20/6,309,600.30 = 2,318,128.20/x - Step 3: Cross multiply
4,213,528.20x = 6,309,600.30 × 2,318,128.20 - Step 4: Simplify right side
4,213,528.20x = 14,626,462,386,158.46 - Step 5: Solve for x
x = 14,626,462,386,158.46/4,213,528.20 - Step 6: Final answer
x = 3,471,309.95
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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.