Finding the Fourth Proportional to 1,568,157.80, 2,163,260.79 and 1,024,611.75
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Solution
The fourth proportional to 1,568,157.80, 2,163,260.79 and 1,024,611.75 is: 1,413,443.49
Step by Step Solution
- Step 1: Write the proportion equation
1,568,157.80 : 2,163,260.79 = 1,024,611.75 : x - Step 2: Convert to fraction form
1,568,157.80/2,163,260.79 = 1,024,611.75/x - Step 3: Cross multiply
1,568,157.80x = 2,163,260.79 × 1,024,611.75 - Step 4: Simplify right side
1,568,157.80x = 2,216,502,423,748.28 - Step 5: Solve for x
x = 2,216,502,423,748.28/1,568,157.80 - Step 6: Final answer
x = 1,413,443.49
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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.