Finding the Fourth Proportional to 1,425,169.26, 2,137,950.72 and 478,810.62
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Solution
The fourth proportional to 1,425,169.26, 2,137,950.72 and 478,810.62 is: 718,282.06
Step by Step Solution
- Step 1: Write the proportion equation
1,425,169.26 : 2,137,950.72 = 478,810.62 : x - Step 2: Convert to fraction form
1,425,169.26/2,137,950.72 = 478,810.62/x - Step 3: Cross multiply
1,425,169.26x = 2,137,950.72 × 478,810.62 - Step 4: Simplify right side
1,425,169.26x = 1,023,673,509,772.65 - Step 5: Solve for x
x = 1,023,673,509,772.65/1,425,169.26 - Step 6: Final answer
x = 718,282.06
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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.