Finding the Fourth Proportional to 5,352,399.82, 7,386,318.68 and 2,905,010.60
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Solution
The fourth proportional to 5,352,399.82, 7,386,318.68 and 2,905,010.60 is: 4,008,918.39
Step by Step Solution
- Step 1: Write the proportion equation
5,352,399.82 : 7,386,318.68 = 2,905,010.60 : x - Step 2: Convert to fraction form
5,352,399.82/7,386,318.68 = 2,905,010.60/x - Step 3: Cross multiply
5,352,399.82x = 7,386,318.68 × 2,905,010.60 - Step 4: Simplify right side
5,352,399.82x = 21,457,334,060,378.01 - Step 5: Solve for x
x = 21,457,334,060,378.01/5,352,399.82 - Step 6: Final answer
x = 4,008,918.39
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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.