Finding the Fourth Proportional to 1,677,501.45, 2,516,252.18 and 415,329.09
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Solution
The fourth proportional to 1,677,501.45, 2,516,252.18 and 415,329.09 is: 622,993.64
Step by Step Solution
- Step 1: Write the proportion equation
1,677,501.45 : 2,516,252.18 = 415,329.09 : x - Step 2: Convert to fraction form
1,677,501.45/2,516,252.18 = 415,329.09/x - Step 3: Cross multiply
1,677,501.45x = 2,516,252.18 × 415,329.09 - Step 4: Simplify right side
1,677,501.45x = 1,045,072,726,053.27 - Step 5: Solve for x
x = 1,045,072,726,053.27/1,677,501.45 - Step 6: Final answer
x = 622,993.64
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1.5x scale
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.