Finding the Fourth Proportional to 2,999,229.02, 4,134,630.12 and 2,138,294.60
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Solution
The fourth proportional to 2,999,229.02, 4,134,630.12 and 2,138,294.60 is: 2,947,776.65
Step by Step Solution
- Step 1: Write the proportion equation
2,999,229.02 : 4,134,630.12 = 2,138,294.60 : x - Step 2: Convert to fraction form
2,999,229.02/4,134,630.12 = 2,138,294.60/x - Step 3: Cross multiply
2,999,229.02x = 4,134,630.12 × 2,138,294.60 - Step 4: Simplify right side
2,999,229.02x = 8,841,057,258,593.35 - Step 5: Solve for x
x = 8,841,057,258,593.35/2,999,229.02 - Step 6: Final answer
x = 2,947,776.65
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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.