Finding the Fourth Proportional to 1,478,458.62, 2,040,189.12 and 833,840.28
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Solution
The fourth proportional to 1,478,458.62, 2,040,189.12 and 833,840.28 is: 1,150,652.34
Step by Step Solution
- Step 1: Write the proportion equation
1,478,458.62 : 2,040,189.12 = 833,840.28 : x - Step 2: Convert to fraction form
1,478,458.62/2,040,189.12 = 833,840.28/x - Step 3: Cross multiply
1,478,458.62x = 2,040,189.12 × 833,840.28 - Step 4: Simplify right side
1,478,458.62x = 1,701,191,867,073.75 - Step 5: Solve for x
x = 1,701,191,867,073.75/1,478,458.62 - Step 6: Final answer
x = 1,150,652.34
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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.