Finding the Fourth Proportional to 3,885,840.59, 5,828,771.84 and 1,490,419.49
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Solution
The fourth proportional to 3,885,840.59, 5,828,771.84 and 1,490,419.49 is: 2,235,633.43
Step by Step Solution
- Step 1: Write the proportion equation
3,885,840.59 : 5,828,771.84 = 1,490,419.49 : x - Step 2: Convert to fraction form
3,885,840.59/5,828,771.84 = 1,490,419.49/x - Step 3: Cross multiply
3,885,840.59x = 5,828,771.84 × 1,490,419.49 - Step 4: Simplify right side
3,885,840.59x = 8,687,315,116,503.21 - Step 5: Solve for x
x = 8,687,315,116,503.21/3,885,840.59 - Step 6: Final answer
x = 2,235,633.43
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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.