Finding the Fourth Proportional to 2,515,192.12, 3,470,856.24 and 1,369,276.48
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Solution
The fourth proportional to 2,515,192.12, 3,470,856.24 and 1,369,276.48 is: 1,889,542.26
Step by Step Solution
- Step 1: Write the proportion equation
2,515,192.12 : 3,470,856.24 = 1,369,276.48 : x - Step 2: Convert to fraction form
2,515,192.12/3,470,856.24 = 1,369,276.48/x - Step 3: Cross multiply
2,515,192.12x = 3,470,856.24 × 1,369,276.48 - Step 4: Simplify right side
2,515,192.12x = 4,752,561,814,893.24 - Step 5: Solve for x
x = 4,752,561,814,893.24/2,515,192.12 - Step 6: Final answer
x = 1,889,542.26
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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.