Finding the Fourth Proportional to 1,972,765.13, 2,722,415.87 and 1,067,347.13
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Solution
The fourth proportional to 1,972,765.13, 2,722,415.87 and 1,067,347.13 is: 1,472,939.03
Step by Step Solution
- Step 1: Write the proportion equation
1,972,765.13 : 2,722,415.87 = 1,067,347.13 : x - Step 2: Convert to fraction form
1,972,765.13/2,722,415.87 = 1,067,347.13/x - Step 3: Cross multiply
1,972,765.13x = 2,722,415.87 × 1,067,347.13 - Step 4: Simplify right side
1,972,765.13x = 2,905,762,754,567.24 - Step 5: Solve for x
x = 2,905,762,754,567.24/1,972,765.13 - Step 6: Final answer
x = 1,472,939.03
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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.