Finding the Fourth Proportional to 1,935,328.14, 2,670,843.98 and 1,075,902.75
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Solution
The fourth proportional to 1,935,328.14, 2,670,843.98 and 1,075,902.75 is: 1,484,796.47
Step by Step Solution
- Step 1: Write the proportion equation
1,935,328.14 : 2,670,843.98 = 1,075,902.75 : x - Step 2: Convert to fraction form
1,935,328.14/2,670,843.98 = 1,075,902.75/x - Step 3: Cross multiply
1,935,328.14x = 2,670,843.98 × 1,075,902.75 - Step 4: Simplify right side
1,935,328.14x = 2,873,568,385,592.70 - Step 5: Solve for x
x = 2,873,568,385,592.70/1,935,328.14 - Step 6: Final answer
x = 1,484,796.47
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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.