Finding the Fourth Proportional to 4,297,928.96, 6,445,503.48 and 1,418,648.96
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Solution
The fourth proportional to 4,297,928.96, 6,445,503.48 and 1,418,648.96 is: 2,127,514.65
Step by Step Solution
- Step 1: Write the proportion equation
4,297,928.96 : 6,445,503.48 = 1,418,648.96 : x - Step 2: Convert to fraction form
4,297,928.96/6,445,503.48 = 1,418,648.96/x - Step 3: Cross multiply
4,297,928.96x = 6,445,503.48 × 1,418,648.96 - Step 4: Simplify right side
4,297,928.96x = 9,143,906,808,578.38 - Step 5: Solve for x
x = 9,143,906,808,578.38/4,297,928.96 - Step 6: Final answer
x = 2,127,514.65
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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.