Finding the Fourth Proportional to 3,072,871.99, 4,240,564.08 and 1,696,216.48
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Solution
The fourth proportional to 3,072,871.99, 4,240,564.08 and 1,696,216.48 is: 2,340,779.15
Step by Step Solution
- Step 1: Write the proportion equation
3,072,871.99 : 4,240,564.08 = 1,696,216.48 : x - Step 2: Convert to fraction form
3,072,871.99/4,240,564.08 = 1,696,216.48/x - Step 3: Cross multiply
3,072,871.99x = 4,240,564.08 × 1,696,216.48 - Step 4: Simplify right side
3,072,871.99x = 7,192,914,676,992.04 - Step 5: Solve for x
x = 7,192,914,676,992.04/3,072,871.99 - Step 6: Final answer
x = 2,340,779.15
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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.