Finding the Fourth Proportional to 4,297,956.21, 6,445,544.34 and 1,418,676.21
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Solution
The fourth proportional to 4,297,956.21, 6,445,544.34 and 1,418,676.21 is: 2,127,555.51
Step by Step Solution
- Step 1: Write the proportion equation
4,297,956.21 : 6,445,544.34 = 1,418,676.21 : x - Step 2: Convert to fraction form
4,297,956.21/6,445,544.34 = 1,418,676.21/x - Step 3: Cross multiply
4,297,956.21x = 6,445,544.34 × 1,418,676.21 - Step 4: Simplify right side
4,297,956.21x = 9,144,140,415,658.15 - Step 5: Solve for x
x = 9,144,140,415,658.15/4,297,956.21 - Step 6: Final answer
x = 2,127,555.51
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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.