Finding the Fourth Proportional to 1,551,213.64, 2,326,821.15 and 486,338.74
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Solution
The fourth proportional to 1,551,213.64, 2,326,821.15 and 486,338.74 is: 729,508.33
Step by Step Solution
- Step 1: Write the proportion equation
1,551,213.64 : 2,326,821.15 = 486,338.74 : x - Step 2: Convert to fraction form
1,551,213.64/2,326,821.15 = 486,338.74/x - Step 3: Cross multiply
1,551,213.64x = 2,326,821.15 × 486,338.74 - Step 4: Simplify right side
1,551,213.64x = 1,131,623,266,296.35 - Step 5: Solve for x
x = 1,131,623,266,296.35/1,551,213.64 - Step 6: Final answer
x = 729,508.33
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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.