Finding the Fourth Proportional to 2,117,936.92, 2,923,178.07 and 1,258,331.71
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Solution
The fourth proportional to 2,117,936.92, 2,923,178.07 and 1,258,331.71 is: 1,736,750.34
Step by Step Solution
- Step 1: Write the proportion equation
2,117,936.92 : 2,923,178.07 = 1,258,331.71 : x - Step 2: Convert to fraction form
2,117,936.92/2,923,178.07 = 1,258,331.71/x - Step 3: Cross multiply
2,117,936.92x = 2,923,178.07 × 1,258,331.71 - Step 4: Simplify right side
2,117,936.92x = 3,678,327,659,457.60 - Step 5: Solve for x
x = 3,678,327,659,457.60/2,117,936.92 - Step 6: Final answer
x = 1,736,750.34
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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.