Finding the Fourth Proportional to 4,230,678.63, 6,348,539.49 and 1,535,214.12
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Solution
The fourth proportional to 4,230,678.63, 6,348,539.49 and 1,535,214.12 is: 2,303,736.19
Step by Step Solution
- Step 1: Write the proportion equation
4,230,678.63 : 6,348,539.49 = 1,535,214.12 : x - Step 2: Convert to fraction form
4,230,678.63/6,348,539.49 = 1,535,214.12/x - Step 3: Cross multiply
4,230,678.63x = 6,348,539.49 × 1,535,214.12 - Step 4: Simplify right side
4,230,678.63x = 9,746,367,466,425.60 - Step 5: Solve for x
x = 9,746,367,466,425.60/4,230,678.63 - Step 6: Final answer
x = 2,303,736.19
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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.