Finding the Fourth Proportional to 5,642,684.96, 8,462,895.79 and 2,762,810.96
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Solution
The fourth proportional to 5,642,684.96, 8,462,895.79 and 2,762,810.96 is: 4,143,662.35
Step by Step Solution
- Step 1: Write the proportion equation
5,642,684.96 : 8,462,895.79 = 2,762,810.96 : x - Step 2: Convert to fraction form
5,642,684.96/8,462,895.79 = 2,762,810.96/x - Step 3: Cross multiply
5,642,684.96x = 8,462,895.79 × 2,762,810.96 - Step 4: Simplify right side
5,642,684.96x = 23,381,381,241,949.86 - Step 5: Solve for x
x = 23,381,381,241,949.86/5,642,684.96 - Step 6: Final answer
x = 4,143,662.35
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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.