Finding the Fourth Proportional to 2,739,982.37, 3,781,183.05 and 1,516,372.28
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Solution
The fourth proportional to 2,739,982.37, 3,781,183.05 and 1,516,372.28 is: 2,092,597.82
Step by Step Solution
- Step 1: Write the proportion equation
2,739,982.37 : 3,781,183.05 = 1,516,372.28 : x - Step 2: Convert to fraction form
2,739,982.37/3,781,183.05 = 1,516,372.28/x - Step 3: Cross multiply
2,739,982.37x = 3,781,183.05 × 1,516,372.28 - Step 4: Simplify right side
2,739,982.37x = 5,733,681,136,138.08 - Step 5: Solve for x
x = 5,733,681,136,138.08/2,739,982.37 - Step 6: Final answer
x = 2,092,597.82
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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.