Finding the Fourth Proportional to 5,432,855.18, 8,143,213.82 and 2,355,293.07
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Solution
The fourth proportional to 5,432,855.18, 8,143,213.82 and 2,355,293.07 is: 3,530,308.55
Step by Step Solution
- Step 1: Write the proportion equation
5,432,855.18 : 8,143,213.82 = 2,355,293.07 : x - Step 2: Convert to fraction form
5,432,855.18/8,143,213.82 = 2,355,293.07/x - Step 3: Cross multiply
5,432,855.18x = 8,143,213.82 × 2,355,293.07 - Step 4: Simplify right side
5,432,855.18x = 19,179,655,065,997.76 - Step 5: Solve for x
x = 19,179,655,065,997.76/5,432,855.18 - Step 6: Final answer
x = 3,530,308.55
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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.