Finding the Fourth Proportional to 3,461,558.01, 4,776,938.24 and 1,912,776.54
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Solution
The fourth proportional to 3,461,558.01, 4,776,938.24 and 1,912,776.54 is: 2,639,625.09
Step by Step Solution
- Step 1: Write the proportion equation
3,461,558.01 : 4,776,938.24 = 1,912,776.54 : x - Step 2: Convert to fraction form
3,461,558.01/4,776,938.24 = 1,912,776.54/x - Step 3: Cross multiply
3,461,558.01x = 4,776,938.24 × 1,912,776.54 - Step 4: Simplify right side
3,461,558.01x = 9,137,215,388,937.01 - Step 5: Solve for x
x = 9,137,215,388,937.01/3,461,558.01 - Step 6: Final answer
x = 2,639,625.09
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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.