Finding the Fourth Proportional to 2,823,397.85, 3,896,286.05 and 1,534,235.15
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Solution
The fourth proportional to 2,823,397.85, 3,896,286.05 and 1,534,235.15 is: 2,117,242.88
Step by Step Solution
- Step 1: Write the proportion equation
2,823,397.85 : 3,896,286.05 = 1,534,235.15 : x - Step 2: Convert to fraction form
2,823,397.85/3,896,286.05 = 1,534,235.15/x - Step 3: Cross multiply
2,823,397.85x = 3,896,286.05 × 1,534,235.15 - Step 4: Simplify right side
2,823,397.85x = 5,977,818,985,212.05 - Step 5: Solve for x
x = 5,977,818,985,212.05/2,823,397.85 - Step 6: Final answer
x = 2,117,242.88
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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.