Finding the Fourth Proportional to 1,604,317.05, 2,406,452.31 and 389,902.68
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Solution
The fourth proportional to 1,604,317.05, 2,406,452.31 and 389,902.68 is: 584,848.37
Step by Step Solution
- Step 1: Write the proportion equation
1,604,317.05 : 2,406,452.31 = 389,902.68 : x - Step 2: Convert to fraction form
1,604,317.05/2,406,452.31 = 389,902.68/x - Step 3: Cross multiply
1,604,317.05x = 2,406,452.31 × 389,902.68 - Step 4: Simplify right side
1,604,317.05x = 938,282,204,961.19 - Step 5: Solve for x
x = 938,282,204,961.19/1,604,317.05 - Step 6: Final answer
x = 584,848.37
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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.