Finding the Fourth Proportional to 4,533,991.20, 6,246,265.34 and 3,154,963.36
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Solution
The fourth proportional to 4,533,991.20, 6,246,265.34 and 3,154,963.36 is: 4,346,443.88
Step by Step Solution
- Step 1: Write the proportion equation
4,533,991.20 : 6,246,265.34 = 3,154,963.36 : x - Step 2: Convert to fraction form
4,533,991.20/6,246,265.34 = 3,154,963.36/x - Step 3: Cross multiply
4,533,991.20x = 6,246,265.34 × 3,154,963.36 - Step 4: Simplify right side
4,533,991.20x = 19,706,738,284,537.94 - Step 5: Solve for x
x = 19,706,738,284,537.94/4,533,991.20 - Step 6: Final answer
x = 4,346,443.88
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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.