Finding the Fourth Proportional to 1,497,378.20, 2,246,067.30 and 1,231,657.70
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Solution
The fourth proportional to 1,497,378.20, 2,246,067.30 and 1,231,657.70 is: 1,847,486.55
Step by Step Solution
- Step 1: Write the proportion equation
1,497,378.20 : 2,246,067.30 = 1,231,657.70 : x - Step 2: Convert to fraction form
1,497,378.20/2,246,067.30 = 1,231,657.70/x - Step 3: Cross multiply
1,497,378.20x = 2,246,067.30 × 1,231,657.70 - Step 4: Simplify right side
1,497,378.20x = 2,766,386,084,763.21 - Step 5: Solve for x
x = 2,766,386,084,763.21/1,497,378.20 - Step 6: Final answer
x = 1,847,486.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.