Finding the Fourth Proportional to 4,682,131.80, 6,461,866.26 and 2,645,072.52
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Solution
The fourth proportional to 4,682,131.80, 6,461,866.26 and 2,645,072.52 is: 3,650,496.31
Step by Step Solution
- Step 1: Write the proportion equation
4,682,131.80 : 6,461,866.26 = 2,645,072.52 : x - Step 2: Convert to fraction form
4,682,131.80/6,461,866.26 = 2,645,072.52/x - Step 3: Cross multiply
4,682,131.80x = 6,461,866.26 × 2,645,072.52 - Step 4: Simplify right side
4,682,131.80x = 17,092,104,872,241.17 - Step 5: Solve for x
x = 17,092,104,872,241.17/4,682,131.80 - Step 6: Final answer
x = 3,650,496.31
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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.