Finding the Fourth Proportional to 4,232,442.70, 5,842,554.45 and 2,857,646.66
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Solution
The fourth proportional to 4,232,442.70, 5,842,554.45 and 2,857,646.66 is: 3,944,756.58
Step by Step Solution
- Step 1: Write the proportion equation
4,232,442.70 : 5,842,554.45 = 2,857,646.66 : x - Step 2: Convert to fraction form
4,232,442.70/5,842,554.45 = 2,857,646.66/x - Step 3: Cross multiply
4,232,442.70x = 5,842,554.45 × 2,857,646.66 - Step 4: Simplify right side
4,232,442.70x = 16,695,956,209,910.64 - Step 5: Solve for x
x = 16,695,956,209,910.64/4,232,442.70 - Step 6: Final answer
x = 3,944,756.58
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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.