Finding the Fourth Proportional to 3,620,817.88, 5,431,226.01 and 925,148.14
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Solution
The fourth proportional to 3,620,817.88, 5,431,226.01 and 925,148.14 is: 1,387,722.00
Step by Step Solution
- Step 1: Write the proportion equation
3,620,817.88 : 5,431,226.01 = 925,148.14 : x - Step 2: Convert to fraction form
3,620,817.88/5,431,226.01 = 925,148.14/x - Step 3: Cross multiply
3,620,817.88x = 5,431,226.01 × 925,148.14 - Step 4: Simplify right side
3,620,817.88x = 5,024,688,641,071.12 - Step 5: Solve for x
x = 5,024,688,641,071.12/3,620,817.88 - Step 6: Final answer
x = 1,387,722.00
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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.