Finding the Fourth Proportional to 1,682,113.96, 2,321,316.66 and 918,167.53
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Solution
The fourth proportional to 1,682,113.96, 2,321,316.66 and 918,167.53 is: 1,267,070.85
Step by Step Solution
- Step 1: Write the proportion equation
1,682,113.96 : 2,321,316.66 = 918,167.53 : x - Step 2: Convert to fraction form
1,682,113.96/2,321,316.66 = 918,167.53/x - Step 3: Cross multiply
1,682,113.96x = 2,321,316.66 × 918,167.53 - Step 4: Simplify right side
1,682,113.96x = 2,131,357,571,776.61 - Step 5: Solve for x
x = 2,131,357,571,776.61/1,682,113.96 - Step 6: Final answer
x = 1,267,070.85
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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.