Finding the Fourth Proportional to 2,921,993.87, 4,380,630.46 and 1,217,420.96
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Solution
The fourth proportional to 2,921,993.87, 4,380,630.46 and 1,217,420.96 is: 1,825,148.02
Step by Step Solution
- Step 1: Write the proportion equation
2,921,993.87 : 4,380,630.46 = 1,217,420.96 : x - Step 2: Convert to fraction form
2,921,993.87/4,380,630.46 = 1,217,420.96/x - Step 3: Cross multiply
2,921,993.87x = 4,380,630.46 × 1,217,420.96 - Step 4: Simplify right side
2,921,993.87x = 5,333,071,315,071.74 - Step 5: Solve for x
x = 5,333,071,315,071.74/2,921,993.87 - Step 6: Final answer
x = 1,825,148.02
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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.