Finding the Fourth Proportional to 1,790,339.26, 2,470,699.70 and 974,566.39
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Solution
The fourth proportional to 1,790,339.26, 2,470,699.70 and 974,566.39 is: 1,344,918.77
Step by Step Solution
- Step 1: Write the proportion equation
1,790,339.26 : 2,470,699.70 = 974,566.39 : x - Step 2: Convert to fraction form
1,790,339.26/2,470,699.70 = 974,566.39/x - Step 3: Cross multiply
1,790,339.26x = 2,470,699.70 × 974,566.39 - Step 4: Simplify right side
1,790,339.26x = 2,407,860,870,176.75 - Step 5: Solve for x
x = 2,407,860,870,176.75/1,790,339.26 - Step 6: Final answer
x = 1,344,918.77
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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.