Finding the Fourth Proportional to 2,805,458.76, 3,871,455.45 and 1,581,753.44
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Solution
The fourth proportional to 2,805,458.76, 3,871,455.45 and 1,581,753.44 is: 2,182,775.97
Step by Step Solution
- Step 1: Write the proportion equation
2,805,458.76 : 3,871,455.45 = 1,581,753.44 : x - Step 2: Convert to fraction form
2,805,458.76/3,871,455.45 = 1,581,753.44/x - Step 3: Cross multiply
2,805,458.76x = 3,871,455.45 × 1,581,753.44 - Step 4: Simplify right side
2,805,458.76x = 6,123,687,975,844.25 - Step 5: Solve for x
x = 6,123,687,975,844.25/2,805,458.76 - Step 6: Final answer
x = 2,182,775.97
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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.