Finding the Fourth Proportional to 4,207,494.38, 6,312,291.32 and 1,215,678.38
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Solution
The fourth proportional to 4,207,494.38, 6,312,291.32 and 1,215,678.38 is: 1,823,820.87
Step by Step Solution
- Step 1: Write the proportion equation
4,207,494.38 : 6,312,291.32 = 1,215,678.38 : x - Step 2: Convert to fraction form
4,207,494.38/6,312,291.32 = 1,215,678.38/x - Step 3: Cross multiply
4,207,494.38x = 6,312,291.32 × 1,215,678.38 - Step 4: Simplify right side
4,207,494.38x = 7,673,716,057,463.40 - Step 5: Solve for x
x = 7,673,716,057,463.40/4,207,494.38 - Step 6: Final answer
x = 1,823,820.87
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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.