Finding the Fourth Proportional to 1,593,979.12, 2,199,691.80 and 905,651.85
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Solution
The fourth proportional to 1,593,979.12, 2,199,691.80 and 905,651.85 is: 1,249,799.90
Step by Step Solution
- Step 1: Write the proportion equation
1,593,979.12 : 2,199,691.80 = 905,651.85 : x - Step 2: Convert to fraction form
1,593,979.12/2,199,691.80 = 905,651.85/x - Step 3: Cross multiply
1,593,979.12x = 2,199,691.80 × 905,651.85 - Step 4: Simplify right side
1,593,979.12x = 1,992,154,948,099.83 - Step 5: Solve for x
x = 1,992,154,948,099.83/1,593,979.12 - Step 6: Final answer
x = 1,249,799.90
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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.