Finding the Fourth Proportional to 2,560,672.19, 3,842,901.93 and 1,212,837.15
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Solution
The fourth proportional to 2,560,672.19, 3,842,901.93 and 1,212,837.15 is: 1,820,152.63
Step by Step Solution
- Step 1: Write the proportion equation
2,560,672.19 : 3,842,901.93 = 1,212,837.15 : x - Step 2: Convert to fraction form
2,560,672.19/3,842,901.93 = 1,212,837.15/x - Step 3: Cross multiply
2,560,672.19x = 3,842,901.93 × 1,212,837.15 - Step 4: Simplify right side
2,560,672.19x = 4,660,814,221,853.40 - Step 5: Solve for x
x = 4,660,814,221,853.40/2,560,672.19 - Step 6: Final answer
x = 1,820,152.63
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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.