Finding the Fourth Proportional to 3,997,455.57, 5,513,949.06 and 2,620,888.53
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Solution
The fourth proportional to 3,997,455.57, 5,513,949.06 and 2,620,888.53 is: 3,615,161.09
Step by Step Solution
- Step 1: Write the proportion equation
3,997,455.57 : 5,513,949.06 = 2,620,888.53 : x - Step 2: Convert to fraction form
3,997,455.57/5,513,949.06 = 2,620,888.53/x - Step 3: Cross multiply
3,997,455.57x = 5,513,949.06 × 2,620,888.53 - Step 4: Simplify right side
3,997,455.57x = 14,451,445,846,358.28 - Step 5: Solve for x
x = 14,451,445,846,358.28/3,997,455.57 - Step 6: Final answer
x = 3,615,161.09
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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.