Finding the Fourth Proportional to 1,478,070.09, 2,040,108.28 and 833,863.96
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Solution
The fourth proportional to 1,478,070.09, 2,040,108.28 and 833,863.96 is: 1,150,941.88
Step by Step Solution
- Step 1: Write the proportion equation
1,478,070.09 : 2,040,108.28 = 833,863.96 : x - Step 2: Convert to fraction form
1,478,070.09/2,040,108.28 = 833,863.96/x - Step 3: Cross multiply
1,478,070.09x = 2,040,108.28 × 833,863.96 - Step 4: Simplify right side
1,478,070.09x = 1,701,172,769,189.59 - Step 5: Solve for x
x = 1,701,172,769,189.59/1,478,070.09 - Step 6: Final answer
x = 1,150,941.88
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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.