Finding the Fourth Proportional to 1,682,607.44, 2,321,980.68 and 918,658.64
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Solution
The fourth proportional to 1,682,607.44, 2,321,980.68 and 918,658.64 is: 1,267,739.32
Step by Step Solution
- Step 1: Write the proportion equation
1,682,607.44 : 2,321,980.68 = 918,658.64 : x - Step 2: Convert to fraction form
1,682,607.44/2,321,980.68 = 918,658.64/x - Step 3: Cross multiply
1,682,607.44x = 2,321,980.68 × 918,658.64 - Step 4: Simplify right side
1,682,607.44x = 2,133,107,613,595.08 - Step 5: Solve for x
x = 2,133,107,613,595.08/1,682,607.44 - Step 6: Final answer
x = 1,267,739.32
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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.