Finding the Fourth Proportional to 4,982,178.96, 6,873,984.54 and 2,805,960.96
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Solution
The fourth proportional to 4,982,178.96, 6,873,984.54 and 2,805,960.96 is: 3,871,425.02
Step by Step Solution
- Step 1: Write the proportion equation
4,982,178.96 : 6,873,984.54 = 2,805,960.96 : x - Step 2: Convert to fraction form
4,982,178.96/6,873,984.54 = 2,805,960.96/x - Step 3: Cross multiply
4,982,178.96x = 6,873,984.54 × 2,805,960.96 - Step 4: Simplify right side
4,982,178.96x = 19,288,132,258,883.56 - Step 5: Solve for x
x = 19,288,132,258,883.56/4,982,178.96 - Step 6: Final answer
x = 3,871,425.02
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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.