Finding the Fourth Proportional to 3,387,769.14, 4,675,129.35 and 1,859,974.62
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Solution
The fourth proportional to 3,387,769.14, 4,675,129.35 and 1,859,974.62 is: 2,566,769.33
Step by Step Solution
- Step 1: Write the proportion equation
3,387,769.14 : 4,675,129.35 = 1,859,974.62 : x - Step 2: Convert to fraction form
3,387,769.14/4,675,129.35 = 1,859,974.62/x - Step 3: Cross multiply
3,387,769.14x = 4,675,129.35 × 1,859,974.62 - Step 4: Simplify right side
3,387,769.14x = 8,695,621,936,217.10 - Step 5: Solve for x
x = 8,695,621,936,217.10/3,387,769.14 - Step 6: Final answer
x = 2,566,769.33
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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.