Finding the Fourth Proportional to 3,982,434.24, 5,495,749.12 and 2,171,598.24
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Solution
The fourth proportional to 3,982,434.24, 5,495,749.12 and 2,171,598.24 is: 2,996,800.05
Step by Step Solution
- Step 1: Write the proportion equation
3,982,434.24 : 5,495,749.12 = 2,171,598.24 : x - Step 2: Convert to fraction form
3,982,434.24/5,495,749.12 = 2,171,598.24/x - Step 3: Cross multiply
3,982,434.24x = 5,495,749.12 × 2,171,598.24 - Step 4: Simplify right side
3,982,434.24x = 11,934,559,116,473.55 - Step 5: Solve for x
x = 11,934,559,116,473.55/3,982,434.24 - Step 6: Final answer
x = 2,996,800.05
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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.