Finding the Fourth Proportional to 2,502,945.09, 3,454,137.08 and 1,415,193.30
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Solution
The fourth proportional to 2,502,945.09, 3,454,137.08 and 1,415,193.30 is: 1,953,007.94
Step by Step Solution
- Step 1: Write the proportion equation
2,502,945.09 : 3,454,137.08 = 1,415,193.30 : x - Step 2: Convert to fraction form
2,502,945.09/3,454,137.08 = 1,415,193.30/x - Step 3: Cross multiply
2,502,945.09x = 3,454,137.08 × 1,415,193.30 - Step 4: Simplify right side
2,502,945.09x = 4,888,271,645,821.60 - Step 5: Solve for x
x = 4,888,271,645,821.60/2,502,945.09 - Step 6: Final answer
x = 1,953,007.94
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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.