Finding the Fourth Proportional to 1,471,729.64, 2,207,167.99 and 572,971.05
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Solution
The fourth proportional to 1,471,729.64, 2,207,167.99 and 572,971.05 is: 859,290.54
Step by Step Solution
- Step 1: Write the proportion equation
1,471,729.64 : 2,207,167.99 = 572,971.05 : x - Step 2: Convert to fraction form
1,471,729.64/2,207,167.99 = 572,971.05/x - Step 3: Cross multiply
1,471,729.64x = 2,207,167.99 × 572,971.05 - Step 4: Simplify right side
1,471,729.64x = 1,264,643,359,324.26 - Step 5: Solve for x
x = 1,264,643,359,324.26/1,471,729.64 - Step 6: Final answer
x = 859,290.54
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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.