Finding the Fourth Proportional to 2,029,938.64, 2,801,315.24 and 1,112,202.60
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Solution
The fourth proportional to 2,029,938.64, 2,801,315.24 and 1,112,202.60 is: 1,534,839.55
Step by Step Solution
- Step 1: Write the proportion equation
2,029,938.64 : 2,801,315.24 = 1,112,202.60 : x - Step 2: Convert to fraction form
2,029,938.64/2,801,315.24 = 1,112,202.60/x - Step 3: Cross multiply
2,029,938.64x = 2,801,315.24 × 1,112,202.60 - Step 4: Simplify right side
2,029,938.64x = 3,115,630,093,347.62 - Step 5: Solve for x
x = 3,115,630,093,347.62/2,029,938.64 - Step 6: Final answer
x = 1,534,839.55
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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.