Finding the Fourth Proportional to 4,179,169.20, 6,270,827.40 and 1,654,906.80
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Solution
The fourth proportional to 4,179,169.20, 6,270,827.40 and 1,654,906.80 is: 2,483,181.32
Step by Step Solution
- Step 1: Write the proportion equation
4,179,169.20 : 6,270,827.40 = 1,654,906.80 : x - Step 2: Convert to fraction form
4,179,169.20/6,270,827.40 = 1,654,906.80/x - Step 3: Cross multiply
4,179,169.20x = 6,270,827.40 × 1,654,906.80 - Step 4: Simplify right side
4,179,169.20x = 10,377,634,905,886.32 - Step 5: Solve for x
x = 10,377,634,905,886.32/4,179,169.20 - Step 6: Final answer
x = 2,483,181.32
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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.