Finding the Fourth Proportional to 5,340,361.05, 8,010,430.67 and 1,296,870.01
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Solution
The fourth proportional to 5,340,361.05, 8,010,430.67 and 1,296,870.01 is: 1,945,278.08
Step by Step Solution
- Step 1: Write the proportion equation
5,340,361.05 : 8,010,430.67 = 1,296,870.01 : x - Step 2: Convert to fraction form
5,340,361.05/8,010,430.67 = 1,296,870.01/x - Step 3: Cross multiply
5,340,361.05x = 8,010,430.67 × 1,296,870.01 - Step 4: Simplify right side
5,340,361.05x = 10,388,487,286,323.31 - Step 5: Solve for x
x = 10,388,487,286,323.31/5,340,361.05 - Step 6: Final answer
x = 1,945,278.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.