Finding the Fourth Proportional to 1,524,430.46, 2,098,432.86 and 1,317,604.07
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Solution
The fourth proportional to 1,524,430.46, 2,098,432.86 and 1,317,604.07 is: 1,813,728.96
Step by Step Solution
- Step 1: Write the proportion equation
1,524,430.46 : 2,098,432.86 = 1,317,604.07 : x - Step 2: Convert to fraction form
1,524,430.46/2,098,432.86 = 1,317,604.07/x - Step 3: Cross multiply
1,524,430.46x = 2,098,432.86 × 1,317,604.07 - Step 4: Simplify right side
1,524,430.46x = 2,764,903,676,957.74 - Step 5: Solve for x
x = 2,764,903,676,957.74/1,524,430.46 - Step 6: Final answer
x = 1,813,728.96
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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.