Finding the Fourth Proportional to 1,962,323.91, 2,707,790.15 and 1,177,348.14
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Solution
The fourth proportional to 1,962,323.91, 2,707,790.15 and 1,177,348.14 is: 1,624,610.33
Step by Step Solution
- Step 1: Write the proportion equation
1,962,323.91 : 2,707,790.15 = 1,177,348.14 : x - Step 2: Convert to fraction form
1,962,323.91/2,707,790.15 = 1,177,348.14/x - Step 3: Cross multiply
1,962,323.91x = 2,707,790.15 × 1,177,348.14 - Step 4: Simplify right side
1,962,323.91x = 3,188,011,690,726.08 - Step 5: Solve for x
x = 3,188,011,690,726.08/1,962,323.91 - Step 6: Final answer
x = 1,624,610.33
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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.