Finding the Fourth Proportional to 2,307,832.26, 3,184,930.78 and 1,390,350.19
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Solution
The fourth proportional to 2,307,832.26, 3,184,930.78 and 1,390,350.19 is: 1,918,756.92
Step by Step Solution
- Step 1: Write the proportion equation
2,307,832.26 : 3,184,930.78 = 1,390,350.19 : x - Step 2: Convert to fraction form
2,307,832.26/3,184,930.78 = 1,390,350.19/x - Step 3: Cross multiply
2,307,832.26x = 3,184,930.78 × 1,390,350.19 - Step 4: Simplify right side
2,307,832.26x = 4,428,169,115,109.85 - Step 5: Solve for x
x = 4,428,169,115,109.85/2,307,832.26 - Step 6: Final answer
x = 1,918,756.92
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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.