Finding the Fourth Proportional to 1,677,650.42, 2,315,157.45 and 913,703.98
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Solution
The fourth proportional to 1,677,650.42, 2,315,157.45 and 913,703.98 is: 1,260,911.42
Step by Step Solution
- Step 1: Write the proportion equation
1,677,650.42 : 2,315,157.45 = 913,703.98 : x - Step 2: Convert to fraction form
1,677,650.42/2,315,157.45 = 913,703.98/x - Step 3: Cross multiply
1,677,650.42x = 2,315,157.45 × 913,703.98 - Step 4: Simplify right side
1,677,650.42x = 2,115,368,576,391.65 - Step 5: Solve for x
x = 2,115,368,576,391.65/1,677,650.42 - Step 6: Final answer
x = 1,260,911.42
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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.