Finding the Fourth Proportional to 2,935,626.80, 4,403,440.20 and 2,135,217.20
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Solution
The fourth proportional to 2,935,626.80, 4,403,440.20 and 2,135,217.20 is: 3,202,825.80
Step by Step Solution
- Step 1: Write the proportion equation
2,935,626.80 : 4,403,440.20 = 2,135,217.20 : x - Step 2: Convert to fraction form
2,935,626.80/4,403,440.20 = 2,135,217.20/x - Step 3: Cross multiply
2,935,626.80x = 4,403,440.20 × 2,135,217.20 - Step 4: Simplify right side
2,935,626.80x = 9,402,301,254,211.44 - Step 5: Solve for x
x = 9,402,301,254,211.44/2,935,626.80 - Step 6: Final answer
x = 3,202,825.80
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1.5x scale
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.