Finding the Fourth Proportional to 3,882,157.12, 5,823,235.68 and 1,186,490.08
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Solution
The fourth proportional to 3,882,157.12, 5,823,235.68 and 1,186,490.08 is: 1,779,735.12
Step by Step Solution
- Step 1: Write the proportion equation
3,882,157.12 : 5,823,235.68 = 1,186,490.08 : x - Step 2: Convert to fraction form
3,882,157.12/5,823,235.68 = 1,186,490.08/x - Step 3: Cross multiply
3,882,157.12x = 5,823,235.68 × 1,186,490.08 - Step 4: Simplify right side
3,882,157.12x = 6,909,211,367,822.06 - Step 5: Solve for x
x = 6,909,211,367,822.06/3,882,157.12 - Step 6: Final answer
x = 1,779,735.12
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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.