Finding the Fourth Proportional to 2,620,852.68, 3,931,277.40 and 727,593.60
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Solution
The fourth proportional to 2,620,852.68, 3,931,277.40 and 727,593.60 is: 1,091,389.95
Step by Step Solution
- Step 1: Write the proportion equation
2,620,852.68 : 3,931,277.40 = 727,593.60 : x - Step 2: Convert to fraction form
2,620,852.68/3,931,277.40 = 727,593.60/x - Step 3: Cross multiply
2,620,852.68x = 3,931,277.40 × 727,593.60 - Step 4: Simplify right side
2,620,852.68x = 2,860,372,276,064.64 - Step 5: Solve for x
x = 2,860,372,276,064.64/2,620,852.68 - Step 6: Final answer
x = 1,091,389.95
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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.