Finding the Fourth Proportional to 6,908,858.97, 9,534,197.58 and 3,811,574.90
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Solution
The fourth proportional to 6,908,858.97, 9,534,197.58 and 3,811,574.90 is: 5,259,958.02
Step by Step Solution
- Step 1: Write the proportion equation
6,908,858.97 : 9,534,197.58 = 3,811,574.90 : x - Step 2: Convert to fraction form
6,908,858.97/9,534,197.58 = 3,811,574.90/x - Step 3: Cross multiply
6,908,858.97x = 9,534,197.58 × 3,811,574.90 - Step 4: Simplify right side
6,908,858.97x = 36,340,308,139,897.76 - Step 5: Solve for x
x = 36,340,308,139,897.76/6,908,858.97 - Step 6: Final answer
x = 5,259,958.02
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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.