Finding the Fourth Proportional to 5,047,742.16, 6,965,847.81 and 2,755,902.84
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Solution
The fourth proportional to 5,047,742.16, 6,965,847.81 and 2,755,902.84 is: 3,803,126.06
Step by Step Solution
- Step 1: Write the proportion equation
5,047,742.16 : 6,965,847.81 = 2,755,902.84 : x - Step 2: Convert to fraction form
5,047,742.16/6,965,847.81 = 2,755,902.84/x - Step 3: Cross multiply
5,047,742.16x = 6,965,847.81 × 2,755,902.84 - Step 4: Simplify right side
5,047,742.16x = 19,197,199,762,586.78 - Step 5: Solve for x
x = 19,197,199,762,586.78/5,047,742.16 - Step 6: Final answer
x = 3,803,126.06
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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.