Finding the Fourth Proportional to 3,610,930.84, 4,980,178.84 and 3,174,414.88
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Solution
The fourth proportional to 3,610,930.84, 4,980,178.84 and 3,174,414.88 is: 4,378,138.08
Step by Step Solution
- Step 1: Write the proportion equation
3,610,930.84 : 4,980,178.84 = 3,174,414.88 : x - Step 2: Convert to fraction form
3,610,930.84/4,980,178.84 = 3,174,414.88/x - Step 3: Cross multiply
3,610,930.84x = 4,980,178.84 × 3,174,414.88 - Step 4: Simplify right side
3,610,930.84x = 15,809,153,814,757.14 - Step 5: Solve for x
x = 15,809,153,814,757.14/3,610,930.84 - Step 6: Final answer
x = 4,378,138.08
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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.