Finding the Fourth Proportional to 1,560,718.70, 2,337,141.45 and 1,245,790.70
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Solution
The fourth proportional to 1,560,718.70, 2,337,141.45 and 1,245,790.70 is: 1,865,543.79
Step by Step Solution
- Step 1: Write the proportion equation
1,560,718.70 : 2,337,141.45 = 1,245,790.70 : x - Step 2: Convert to fraction form
1,560,718.70/2,337,141.45 = 1,245,790.70/x - Step 3: Cross multiply
1,560,718.70x = 2,337,141.45 × 1,245,790.70 - Step 4: Simplify right side
1,560,718.70x = 2,911,589,082,994.52 - Step 5: Solve for x
x = 2,911,589,082,994.52/1,560,718.70 - Step 6: Final answer
x = 1,865,543.79
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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.