Finding the Fourth Proportional to 1,707,957.06, 2,355,454.21 and 1,417,108.24
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Solution
The fourth proportional to 1,707,957.06, 2,355,454.21 and 1,417,108.24 is: 1,954,342.78
Step by Step Solution
- Step 1: Write the proportion equation
1,707,957.06 : 2,355,454.21 = 1,417,108.24 : x - Step 2: Convert to fraction form
1,707,957.06/2,355,454.21 = 1,417,108.24/x - Step 3: Cross multiply
1,707,957.06x = 2,355,454.21 × 1,417,108.24 - Step 4: Simplify right side
1,707,957.06x = 3,337,933,561,381.98 - Step 5: Solve for x
x = 3,337,933,561,381.98/1,707,957.06 - Step 6: Final answer
x = 1,954,342.78
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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.