Finding the Fourth Proportional to 4,249,920.42, 6,376,758.72 and 2,227,680.80
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Solution
The fourth proportional to 4,249,920.42, 6,376,758.72 and 2,227,680.80 is: 3,342,505.63
Step by Step Solution
- Step 1: Write the proportion equation
4,249,920.42 : 6,376,758.72 = 2,227,680.80 : x - Step 2: Convert to fraction form
4,249,920.42/6,376,758.72 = 2,227,680.80/x - Step 3: Cross multiply
4,249,920.42x = 6,376,758.72 × 2,227,680.80 - Step 4: Simplify right side
4,249,920.42x = 14,205,382,950,451.82 - Step 5: Solve for x
x = 14,205,382,950,451.82/4,249,920.42 - Step 6: Final answer
x = 3,342,505.63
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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.