Finding the Fourth Proportional to 1,497,377.20, 2,246,065.80 and 1,231,656.70
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Solution
The fourth proportional to 1,497,377.20, 2,246,065.80 and 1,231,656.70 is: 1,847,485.05
Step by Step Solution
- Step 1: Write the proportion equation
1,497,377.20 : 2,246,065.80 = 1,231,656.70 : x - Step 2: Convert to fraction form
1,497,377.20/2,246,065.80 = 1,231,656.70/x - Step 3: Cross multiply
1,497,377.20x = 2,246,065.80 × 1,231,656.70 - Step 4: Simplify right side
1,497,377.20x = 2,766,381,991,210.86 - Step 5: Solve for x
x = 2,766,381,991,210.86/1,497,377.20 - Step 6: Final answer
x = 1,847,485.05
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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.