Finding the Fourth Proportional to 1,555,906.59, 2,333,860.29 and 491,031.99
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Solution
The fourth proportional to 1,555,906.59, 2,333,860.29 and 491,031.99 is: 736,548.11
Step by Step Solution
- Step 1: Write the proportion equation
1,555,906.59 : 2,333,860.29 = 491,031.99 : x - Step 2: Convert to fraction form
1,555,906.59/2,333,860.29 = 491,031.99/x - Step 3: Cross multiply
1,555,906.59x = 2,333,860.29 × 491,031.99 - Step 4: Simplify right side
1,555,906.59x = 1,146,000,062,580.68 - Step 5: Solve for x
x = 1,146,000,062,580.68/1,555,906.59 - Step 6: Final answer
x = 736,548.11
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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.