Finding the Fourth Proportional to 4,656,514.41, 6,420,491.96 and 3,187,130.77
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Solution
The fourth proportional to 4,656,514.41, 6,420,491.96 and 3,187,130.77 is: 4,394,477.43
Step by Step Solution
- Step 1: Write the proportion equation
4,656,514.41 : 6,420,491.96 = 3,187,130.77 : x - Step 2: Convert to fraction form
4,656,514.41/6,420,491.96 = 3,187,130.77/x - Step 3: Cross multiply
4,656,514.41x = 6,420,491.96 × 3,187,130.77 - Step 4: Simplify right side
4,656,514.41x = 20,462,947,484,253.61 - Step 5: Solve for x
x = 20,462,947,484,253.61/4,656,514.41 - Step 6: Final answer
x = 4,394,477.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.