Finding the Fourth Proportional to 5,110,866.37, 7,052,871.99 and 2,818,977.85
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Solution
The fourth proportional to 5,110,866.37, 7,052,871.99 and 2,818,977.85 is: 3,890,121.26
Step by Step Solution
- Step 1: Write the proportion equation
5,110,866.37 : 7,052,871.99 = 2,818,977.85 : x - Step 2: Convert to fraction form
5,110,866.37/7,052,871.99 = 2,818,977.85/x - Step 3: Cross multiply
5,110,866.37x = 7,052,871.99 × 2,818,977.85 - Step 4: Simplify right side
5,110,866.37x = 19,881,889,918,695.42 - Step 5: Solve for x
x = 19,881,889,918,695.42/5,110,866.37 - Step 6: Final answer
x = 3,890,121.26
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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.