Finding the Fourth Proportional to 1,497,437.36, 2,066,458.56 and 818,373.68
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Solution
The fourth proportional to 1,497,437.36, 2,066,458.56 and 818,373.68 is: 1,129,352.95
Step by Step Solution
- Step 1: Write the proportion equation
1,497,437.36 : 2,066,458.56 = 818,373.68 : x - Step 2: Convert to fraction form
1,497,437.36/2,066,458.56 = 818,373.68/x - Step 3: Cross multiply
1,497,437.36x = 2,066,458.56 × 818,373.68 - Step 4: Simplify right side
1,497,437.36x = 1,691,135,296,314.70 - Step 5: Solve for x
x = 1,691,135,296,314.70/1,497,437.36 - Step 6: Final answer
x = 1,129,352.95
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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.