Finding the Fourth Proportional to 2,084,791.80, 3,127,187.70 and 1,968,670.20
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Solution
The fourth proportional to 2,084,791.80, 3,127,187.70 and 1,968,670.20 is: 2,953,005.30
Step by Step Solution
- Step 1: Write the proportion equation
2,084,791.80 : 3,127,187.70 = 1,968,670.20 : x - Step 2: Convert to fraction form
2,084,791.80/3,127,187.70 = 1,968,670.20/x - Step 3: Cross multiply
2,084,791.80x = 3,127,187.70 × 1,968,670.20 - Step 4: Simplify right side
2,084,791.80x = 6,156,401,234,796.54 - Step 5: Solve for x
x = 6,156,401,234,796.54/2,084,791.80 - Step 6: Final answer
x = 2,953,005.30
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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.