Finding the Fourth Proportional to 4,289,521.44, 6,435,207.96 and 1,449,570.72
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Solution
The fourth proportional to 4,289,521.44, 6,435,207.96 and 1,449,570.72 is: 2,174,668.94
Step by Step Solution
- Step 1: Write the proportion equation
4,289,521.44 : 6,435,207.96 = 1,449,570.72 : x - Step 2: Convert to fraction form
4,289,521.44/6,435,207.96 = 1,449,570.72/x - Step 3: Cross multiply
4,289,521.44x = 6,435,207.96 × 1,449,570.72 - Step 4: Simplify right side
4,289,521.44x = 9,328,289,035,926.93 - Step 5: Solve for x
x = 9,328,289,035,926.93/4,289,521.44 - Step 6: Final answer
x = 2,174,668.94
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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.