Finding the Fourth Proportional to 1,545,613.40, 2,317,340.10 and 914,202.20
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Solution
The fourth proportional to 1,545,613.40, 2,317,340.10 and 914,202.20 is: 1,370,664.50
Step by Step Solution
- Step 1: Write the proportion equation
1,545,613.40 : 2,317,340.10 = 914,202.20 : x - Step 2: Convert to fraction form
1,545,613.40/2,317,340.10 = 914,202.20/x - Step 3: Cross multiply
1,545,613.40x = 2,317,340.10 × 914,202.20 - Step 4: Simplify right side
1,545,613.40x = 2,118,517,417,568.22 - Step 5: Solve for x
x = 2,118,517,417,568.22/1,545,613.40 - Step 6: Final answer
x = 1,370,664.50
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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.