Finding the Fourth Proportional to 2,782,609.98, 3,839,130.18 and 1,558,750.20
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Solution
The fourth proportional to 2,782,609.98, 3,839,130.18 and 1,558,750.20 is: 2,150,587.03
Step by Step Solution
- Step 1: Write the proportion equation
2,782,609.98 : 3,839,130.18 = 1,558,750.20 : x - Step 2: Convert to fraction form
2,782,609.98/3,839,130.18 = 1,558,750.20/x - Step 3: Cross multiply
2,782,609.98x = 3,839,130.18 × 1,558,750.20 - Step 4: Simplify right side
2,782,609.98x = 5,984,244,935,901.04 - Step 5: Solve for x
x = 5,984,244,935,901.04/2,782,609.98 - Step 6: Final answer
x = 2,150,587.03
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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.