Finding the Fourth Proportional to 5,954,455.13, 8,214,118.38 and 3,890,677.19
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Solution
The fourth proportional to 5,954,455.13, 8,214,118.38 and 3,890,677.19 is: 5,367,154.90
Step by Step Solution
- Step 1: Write the proportion equation
5,954,455.13 : 8,214,118.38 = 3,890,677.19 : x - Step 2: Convert to fraction form
5,954,455.13/8,214,118.38 = 3,890,677.19/x - Step 3: Cross multiply
5,954,455.13x = 8,214,118.38 × 3,890,677.19 - Step 4: Simplify right side
5,954,455.13x = 31,958,483,017,025.75 - Step 5: Solve for x
x = 31,958,483,017,025.75/5,954,455.13 - Step 6: Final answer
x = 5,367,154.90
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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.