Finding the Fourth Proportional to 2,072,678.40, 2,860,302.00 and 1,201,682.36
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Solution
The fourth proportional to 2,072,678.40, 2,860,302.00 and 1,201,682.36 is: 1,658,325.03
Step by Step Solution
- Step 1: Write the proportion equation
2,072,678.40 : 2,860,302.00 = 1,201,682.36 : x - Step 2: Convert to fraction form
2,072,678.40/2,860,302.00 = 1,201,682.36/x - Step 3: Cross multiply
2,072,678.40x = 2,860,302.00 × 1,201,682.36 - Step 4: Simplify right side
2,072,678.40x = 3,437,174,469,329.78 - Step 5: Solve for x
x = 3,437,174,469,329.78/2,072,678.40 - Step 6: Final answer
x = 1,658,325.03
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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.