Finding the Fourth Proportional to 1,880,816.10, 2,596,320.68 and 1,269,796.44
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Solution
The fourth proportional to 1,880,816.10, 2,596,320.68 and 1,269,796.44 is: 1,752,855.45
Step by Step Solution
- Step 1: Write the proportion equation
1,880,816.10 : 2,596,320.68 = 1,269,796.44 : x - Step 2: Convert to fraction form
1,880,816.10/2,596,320.68 = 1,269,796.44/x - Step 3: Cross multiply
1,880,816.10x = 2,596,320.68 × 1,269,796.44 - Step 4: Simplify right side
1,880,816.10x = 3,296,798,756,562.38 - Step 5: Solve for x
x = 3,296,798,756,562.38/1,880,816.10 - Step 6: Final answer
x = 1,752,855.45
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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.