Finding the Fourth Proportional to 2,912,295.18, 4,019,104.26 and 1,623,144.54
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Solution
The fourth proportional to 2,912,295.18, 4,019,104.26 and 1,623,144.54 is: 2,240,015.77
Step by Step Solution
- Step 1: Write the proportion equation
2,912,295.18 : 4,019,104.26 = 1,623,144.54 : x - Step 2: Convert to fraction form
2,912,295.18/4,019,104.26 = 1,623,144.54/x - Step 3: Cross multiply
2,912,295.18x = 4,019,104.26 × 1,623,144.54 - Step 4: Simplify right side
2,912,295.18x = 6,523,587,135,309.74 - Step 5: Solve for x
x = 6,523,587,135,309.74/2,912,295.18 - Step 6: Final answer
x = 2,240,015.77
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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.