Finding the Fourth Proportional to 5,036,461.38, 6,947,288.73 and 3,075,444.09
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Solution
The fourth proportional to 5,036,461.38, 6,947,288.73 and 3,075,444.09 is: 4,242,263.85
Step by Step Solution
- Step 1: Write the proportion equation
5,036,461.38 : 6,947,288.73 = 3,075,444.09 : x - Step 2: Convert to fraction form
5,036,461.38/6,947,288.73 = 3,075,444.09/x - Step 3: Cross multiply
5,036,461.38x = 6,947,288.73 × 3,075,444.09 - Step 4: Simplify right side
5,036,461.38x = 21,365,998,066,202.11 - Step 5: Solve for x
x = 21,365,998,066,202.11/5,036,461.38 - Step 6: Final answer
x = 4,242,263.85
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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.