Finding the Fourth Proportional to 2,122,331.63, 3,181,496.20 and 1,056,365.96
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Solution
The fourth proportional to 2,122,331.63, 3,181,496.20 and 1,056,365.96 is: 1,583,552.84
Step by Step Solution
- Step 1: Write the proportion equation
2,122,331.63 : 3,181,496.20 = 1,056,365.96 : x - Step 2: Convert to fraction form
2,122,331.63/3,181,496.20 = 1,056,365.96/x - Step 3: Cross multiply
2,122,331.63x = 3,181,496.20 × 1,056,365.96 - Step 4: Simplify right side
2,122,331.63x = 3,360,824,269,000.96 - Step 5: Solve for x
x = 3,360,824,269,000.96/2,122,331.63 - Step 6: Final answer
x = 1,583,552.84
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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.