Finding the Fourth Proportional to 3,643,013.07, 5,460,165.05 and 1,695,110.49
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Solution
The fourth proportional to 3,643,013.07, 5,460,165.05 and 1,695,110.49 is: 2,540,639.54
Step by Step Solution
- Step 1: Write the proportion equation
3,643,013.07 : 5,460,165.05 = 1,695,110.49 : x - Step 2: Convert to fraction form
3,643,013.07/5,460,165.05 = 1,695,110.49/x - Step 3: Cross multiply
3,643,013.07x = 5,460,165.05 × 1,695,110.49 - Step 4: Simplify right side
3,643,013.07x = 9,255,583,044,910.82 - Step 5: Solve for x
x = 9,255,583,044,910.82/3,643,013.07 - Step 6: Final answer
x = 2,540,639.54
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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.