Finding the Fourth Proportional to 2,158,908.19, 3,239,924.84 and 844,561.21
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Solution
The fourth proportional to 2,158,908.19, 3,239,924.84 and 844,561.21 is: 1,267,453.08
Step by Step Solution
- Step 1: Write the proportion equation
2,158,908.19 : 3,239,924.84 = 844,561.21 : x - Step 2: Convert to fraction form
2,158,908.19/3,239,924.84 = 844,561.21/x - Step 3: Cross multiply
2,158,908.19x = 3,239,924.84 × 844,561.21 - Step 4: Simplify right side
2,158,908.19x = 2,736,314,843,179.46 - Step 5: Solve for x
x = 2,736,314,843,179.46/2,158,908.19 - Step 6: Final answer
x = 1,267,453.08
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1.5x scale
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.