Finding the Fourth Proportional to 5,314,306.56, 7,972,725.30 and 1,720,074.12
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Solution
The fourth proportional to 5,314,306.56, 7,972,725.30 and 1,720,074.12 is: 2,580,520.77
Step by Step Solution
- Step 1: Write the proportion equation
5,314,306.56 : 7,972,725.30 = 1,720,074.12 : x - Step 2: Convert to fraction form
5,314,306.56/7,972,725.30 = 1,720,074.12/x - Step 3: Cross multiply
5,314,306.56x = 7,972,725.30 × 1,720,074.12 - Step 4: Simplify right side
5,314,306.56x = 13,713,678,454,399.24 - Step 5: Solve for x
x = 13,713,678,454,399.24/5,314,306.56 - Step 6: Final answer
x = 2,580,520.77
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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.