Finding the Fourth Proportional to 5,081,072.18, 7,011,698.19 and 2,875,887.68
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Solution
The fourth proportional to 5,081,072.18, 7,011,698.19 and 2,875,887.68 is: 3,968,622.32
Step by Step Solution
- Step 1: Write the proportion equation
5,081,072.18 : 7,011,698.19 = 2,875,887.68 : x - Step 2: Convert to fraction form
5,081,072.18/7,011,698.19 = 2,875,887.68/x - Step 3: Cross multiply
5,081,072.18x = 7,011,698.19 × 2,875,887.68 - Step 4: Simplify right side
5,081,072.18x = 20,164,856,440,499.30 - Step 5: Solve for x
x = 20,164,856,440,499.30/5,081,072.18 - Step 6: Final answer
x = 3,968,622.32
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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.