Finding the Fourth Proportional to 1,860,000.16, 2,567,571.60 and 1,257,204.64
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Solution
The fourth proportional to 1,860,000.16, 2,567,571.60 and 1,257,204.64 is: 1,735,463.79
Step by Step Solution
- Step 1: Write the proportion equation
1,860,000.16 : 2,567,571.60 = 1,257,204.64 : x - Step 2: Convert to fraction form
1,860,000.16/2,567,571.60 = 1,257,204.64/x - Step 3: Cross multiply
1,860,000.16x = 2,567,571.60 × 1,257,204.64 - Step 4: Simplify right side
1,860,000.16x = 3,227,962,929,052.22 - Step 5: Solve for x
x = 3,227,962,929,052.22/1,860,000.16 - Step 6: Final answer
x = 1,735,463.79
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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.