Finding the Fourth Proportional to 1,595,318.72, 2,201,540.96 and 916,299.20
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Solution
The fourth proportional to 1,595,318.72, 2,201,540.96 and 916,299.20 is: 1,264,493.54
Step by Step Solution
- Step 1: Write the proportion equation
1,595,318.72 : 2,201,540.96 = 916,299.20 : x - Step 2: Convert to fraction form
1,595,318.72/2,201,540.96 = 916,299.20/x - Step 3: Cross multiply
1,595,318.72x = 2,201,540.96 × 916,299.20 - Step 4: Simplify right side
1,595,318.72x = 2,017,270,220,415.23 - Step 5: Solve for x
x = 2,017,270,220,415.23/1,595,318.72 - Step 6: Final answer
x = 1,264,493.54
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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.