Finding the Fourth Proportional to 4,229,392.71, 6,338,887.65 and 1,668,036.63
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Solution
The fourth proportional to 4,229,392.71, 6,338,887.65 and 1,668,036.63 is: 2,500,003.55
Step by Step Solution
- Step 1: Write the proportion equation
4,229,392.71 : 6,338,887.65 = 1,668,036.63 : x - Step 2: Convert to fraction form
4,229,392.71/6,338,887.65 = 1,668,036.63/x - Step 3: Cross multiply
4,229,392.71x = 6,338,887.65 × 1,668,036.63 - Step 4: Simplify right side
4,229,392.71x = 10,573,496,793,654.62 - Step 5: Solve for x
x = 10,573,496,793,654.62/4,229,392.71 - Step 6: Final answer
x = 2,500,003.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.