Finding the Fourth Proportional to 1,486,516.76, 2,230,107.39 and 475,699.43
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Solution
The fourth proportional to 1,486,516.76, 2,230,107.39 and 475,699.43 is: 713,655.47
Step by Step Solution
- Step 1: Write the proportion equation
1,486,516.76 : 2,230,107.39 = 475,699.43 : x - Step 2: Convert to fraction form
1,486,516.76/2,230,107.39 = 475,699.43/x - Step 3: Cross multiply
1,486,516.76x = 2,230,107.39 × 475,699.43 - Step 4: Simplify right side
1,486,516.76x = 1,060,860,819,837.06 - Step 5: Solve for x
x = 1,060,860,819,837.06/1,486,516.76 - Step 6: Final answer
x = 713,655.47
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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.