Finding the Fourth Proportional to 1,995,999.03, 2,754,480.20 and 1,078,227.99
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Solution
The fourth proportional to 1,995,999.03, 2,754,480.20 and 1,078,227.99 is: 1,487,955.45
Step by Step Solution
- Step 1: Write the proportion equation
1,995,999.03 : 2,754,480.20 = 1,078,227.99 : x - Step 2: Convert to fraction form
1,995,999.03/2,754,480.20 = 1,078,227.99/x - Step 3: Cross multiply
1,995,999.03x = 2,754,480.20 × 1,078,227.99 - Step 4: Simplify right side
1,995,999.03x = 2,969,957,644,149.66 - Step 5: Solve for x
x = 2,969,957,644,149.66/1,995,999.03 - Step 6: Final answer
x = 1,487,955.45
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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.