Finding the Fourth Proportional to 5,727,656.81, 8,591,482.10 and 1,684,178.12
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Solution
The fourth proportional to 5,727,656.81, 8,591,482.10 and 1,684,178.12 is: 2,526,266.26
Step by Step Solution
- Step 1: Write the proportion equation
5,727,656.81 : 8,591,482.10 = 1,684,178.12 : x - Step 2: Convert to fraction form
5,727,656.81/8,591,482.10 = 1,684,178.12/x - Step 3: Cross multiply
5,727,656.81x = 8,591,482.10 × 1,684,178.12 - Step 4: Simplify right side
5,727,656.81x = 14,469,586,132,444.69 - Step 5: Solve for x
x = 14,469,586,132,444.69/5,727,656.81 - Step 6: Final answer
x = 2,526,266.26
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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.