Finding the Fourth Proportional to 1,569,742.20, 2,354,613.30 and 1,457,767.80
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Solution
The fourth proportional to 1,569,742.20, 2,354,613.30 and 1,457,767.80 is: 2,186,651.70
Step by Step Solution
- Step 1: Write the proportion equation
1,569,742.20 : 2,354,613.30 = 1,457,767.80 : x - Step 2: Convert to fraction form
1,569,742.20/2,354,613.30 = 1,457,767.80/x - Step 3: Cross multiply
1,569,742.20x = 2,354,613.30 × 1,457,767.80 - Step 4: Simplify right side
1,569,742.20x = 3,432,479,450,191.74 - Step 5: Solve for x
x = 3,432,479,450,191.74/1,569,742.20 - Step 6: Final answer
x = 2,186,651.70
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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.