Finding the Fourth Proportional to 5,184,004.08, 7,776,006.12 and 1,638,148.08
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Solution
The fourth proportional to 5,184,004.08, 7,776,006.12 and 1,638,148.08 is: 2,457,222.11
Step by Step Solution
- Step 1: Write the proportion equation
5,184,004.08 : 7,776,006.12 = 1,638,148.08 : x - Step 2: Convert to fraction form
5,184,004.08/7,776,006.12 = 1,638,148.08/x - Step 3: Cross multiply
5,184,004.08x = 7,776,006.12 × 1,638,148.08 - Step 4: Simplify right side
5,184,004.08x = 12,738,249,448,475.48 - Step 5: Solve for x
x = 12,738,249,448,475.48/5,184,004.08 - Step 6: Final answer
x = 2,457,222.11
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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.