Finding the Fourth Proportional to 2,292,287.68, 3,163,228.10 and 1,374,057.30
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Solution
The fourth proportional to 2,292,287.68, 3,163,228.10 and 1,374,057.30 is: 1,896,121.81
Step by Step Solution
- Step 1: Write the proportion equation
2,292,287.68 : 3,163,228.10 = 1,374,057.30 : x - Step 2: Convert to fraction form
2,292,287.68/3,163,228.10 = 1,374,057.30/x - Step 3: Cross multiply
2,292,287.68x = 3,163,228.10 × 1,374,057.30 - Step 4: Simplify right side
2,292,287.68x = 4,346,456,672,514.66 - Step 5: Solve for x
x = 4,346,456,672,514.66/2,292,287.68 - Step 6: Final answer
x = 1,896,121.81
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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.