Finding the Fourth Proportional to 2,948,695.26, 4,067,638.79 and 2,029,328.28
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Solution
The fourth proportional to 2,948,695.26, 4,067,638.79 and 2,029,328.28 is: 2,799,398.96
Step by Step Solution
- Step 1: Write the proportion equation
2,948,695.26 : 4,067,638.79 = 2,029,328.28 : x - Step 2: Convert to fraction form
2,948,695.26/4,067,638.79 = 2,029,328.28/x - Step 3: Cross multiply
2,948,695.26x = 4,067,638.79 × 2,029,328.28 - Step 4: Simplify right side
2,948,695.26x = 8,254,574,429,371.98 - Step 5: Solve for x
x = 8,254,574,429,371.98/2,948,695.26 - Step 6: Final answer
x = 2,799,398.96
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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.