Finding the Fourth Proportional to 1,684,299.12, 2,324,338.68 and 920,352.66
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Solution
The fourth proportional to 1,684,299.12, 2,324,338.68 and 920,352.66 is: 1,270,089.89
Step by Step Solution
- Step 1: Write the proportion equation
1,684,299.12 : 2,324,338.68 = 920,352.66 : x - Step 2: Convert to fraction form
1,684,299.12/2,324,338.68 = 920,352.66/x - Step 3: Cross multiply
1,684,299.12x = 2,324,338.68 × 920,352.66 - Step 4: Simplify right side
1,684,299.12x = 2,139,211,286,878.89 - Step 5: Solve for x
x = 2,139,211,286,878.89/1,684,299.12 - Step 6: Final answer
x = 1,270,089.89
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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.