Finding the Fourth Proportional to 2,657,627.34, 3,987,076.08 and 860,512.74
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Solution
The fourth proportional to 2,657,627.34, 3,987,076.08 and 860,512.74 is: 1,290,974.74
Step by Step Solution
- Step 1: Write the proportion equation
2,657,627.34 : 3,987,076.08 = 860,512.74 : x - Step 2: Convert to fraction form
2,657,627.34/3,987,076.08 = 860,512.74/x - Step 3: Cross multiply
2,657,627.34x = 3,987,076.08 × 860,512.74 - Step 4: Simplify right side
2,657,627.34x = 3,430,929,762,189.26 - Step 5: Solve for x
x = 3,430,929,762,189.26/2,657,627.34 - Step 6: Final answer
x = 1,290,974.74
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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.