Finding the Fourth Proportional to 1,786,199.80, 2,464,945.68 and 970,396.96
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Solution
The fourth proportional to 1,786,199.80, 2,464,945.68 and 970,396.96 is: 1,339,142.35
Step by Step Solution
- Step 1: Write the proportion equation
1,786,199.80 : 2,464,945.68 = 970,396.96 : x - Step 2: Convert to fraction form
1,786,199.80/2,464,945.68 = 970,396.96/x - Step 3: Cross multiply
1,786,199.80x = 2,464,945.68 × 970,396.96 - Step 4: Simplify right side
1,786,199.80x = 2,391,975,794,437.13 - Step 5: Solve for x
x = 2,391,975,794,437.13/1,786,199.80 - Step 6: Final answer
x = 1,339,142.35
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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.