Finding the Fourth Proportional to 5,660,995.68, 7,811,967.78 and 3,082,619.88
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Solution
The fourth proportional to 5,660,995.68, 7,811,967.78 and 3,082,619.88 is: 4,253,903.12
Step by Step Solution
- Step 1: Write the proportion equation
5,660,995.68 : 7,811,967.78 = 3,082,619.88 : x - Step 2: Convert to fraction form
5,660,995.68/7,811,967.78 = 3,082,619.88/x - Step 3: Cross multiply
5,660,995.68x = 7,811,967.78 × 3,082,619.88 - Step 4: Simplify right side
5,660,995.68x = 24,081,327,180,547.46 - Step 5: Solve for x
x = 24,081,327,180,547.46/5,660,995.68 - Step 6: Final answer
x = 4,253,903.12
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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.