Finding the Fourth Proportional to 4,664,423.94, 6,434,705.79 and 2,729,497.62
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Solution
The fourth proportional to 4,664,423.94, 6,434,705.79 and 2,729,497.62 is: 3,765,419.77
Step by Step Solution
- Step 1: Write the proportion equation
4,664,423.94 : 6,434,705.79 = 2,729,497.62 : x - Step 2: Convert to fraction form
4,664,423.94/6,434,705.79 = 2,729,497.62/x - Step 3: Cross multiply
4,664,423.94x = 6,434,705.79 × 2,729,497.62 - Step 4: Simplify right side
4,664,423.94x = 17,563,514,139,205.22 - Step 5: Solve for x
x = 17,563,514,139,205.22/4,664,423.94 - Step 6: Final answer
x = 3,765,419.77
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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.