Finding the Fourth Proportional to 4,831,621.05, 6,667,764.44 and 2,656,219.04
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Solution
The fourth proportional to 4,831,621.05, 6,667,764.44 and 2,656,219.04 is: 3,665,652.31
Step by Step Solution
- Step 1: Write the proportion equation
4,831,621.05 : 6,667,764.44 = 2,656,219.04 : x - Step 2: Convert to fraction form
4,831,621.05/6,667,764.44 = 2,656,219.04/x - Step 3: Cross multiply
4,831,621.05x = 6,667,764.44 × 2,656,219.04 - Step 4: Simplify right side
4,831,621.05x = 17,711,042,859,762.94 - Step 5: Solve for x
x = 17,711,042,859,762.94/4,831,621.05 - Step 6: Final answer
x = 3,665,652.31
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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.