Finding the Fourth Proportional to 1,545,205.37, 2,318,140.17 and 520,637.49
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Solution
The fourth proportional to 1,545,205.37, 2,318,140.17 and 520,637.49 is: 781,068.14
Step by Step Solution
- Step 1: Write the proportion equation
1,545,205.37 : 2,318,140.17 = 520,637.49 : x - Step 2: Convert to fraction form
1,545,205.37/2,318,140.17 = 520,637.49/x - Step 3: Cross multiply
1,545,205.37x = 2,318,140.17 × 520,637.49 - Step 4: Simplify right side
1,545,205.37x = 1,206,910,679,576.97 - Step 5: Solve for x
x = 1,206,910,679,576.97/1,545,205.37 - Step 6: Final answer
x = 781,068.14
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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.