Finding the Fourth Proportional to 4,652,391.40, 6,978,564.06 and 1,240,670.44
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Solution
The fourth proportional to 4,652,391.40, 6,978,564.06 and 1,240,670.44 is: 1,860,999.52
Step by Step Solution
- Step 1: Write the proportion equation
4,652,391.40 : 6,978,564.06 = 1,240,670.44 : x - Step 2: Convert to fraction form
4,652,391.40/6,978,564.06 = 1,240,670.44/x - Step 3: Cross multiply
4,652,391.40x = 6,978,564.06 × 1,240,670.44 - Step 4: Simplify right side
4,652,391.40x = 8,658,098,142,888.39 - Step 5: Solve for x
x = 8,658,098,142,888.39/4,652,391.40 - Step 6: Final answer
x = 1,860,999.52
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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.