Finding the Fourth Proportional to 7,841,243.30, 11,762,448.15 and 2,791,897.70
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Solution
The fourth proportional to 7,841,243.30, 11,762,448.15 and 2,791,897.70 is: 4,188,054.20
Step by Step Solution
- Step 1: Write the proportion equation
7,841,243.30 : 11,762,448.15 = 2,791,897.70 : x - Step 2: Convert to fraction form
7,841,243.30/11,762,448.15 = 2,791,897.70/x - Step 3: Cross multiply
7,841,243.30x = 11,762,448.15 × 2,791,897.70 - Step 4: Simplify right side
7,841,243.30x = 32,839,551,936,354.26 - Step 5: Solve for x
x = 32,839,551,936,354.26/7,841,243.30 - Step 6: Final answer
x = 4,188,054.20
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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.