Finding the Fourth Proportional to 6,475,373.12, 8,935,780.20 and 3,574,701.56
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Solution
The fourth proportional to 6,475,373.12, 8,935,780.20 and 3,574,701.56 is: 4,932,958.58
Step by Step Solution
- Step 1: Write the proportion equation
6,475,373.12 : 8,935,780.20 = 3,574,701.56 : x - Step 2: Convert to fraction form
6,475,373.12/8,935,780.20 = 3,574,701.56/x - Step 3: Cross multiply
6,475,373.12x = 8,935,780.20 × 3,574,701.56 - Step 4: Simplify right side
6,475,373.12x = 31,942,747,420,757.11 - Step 5: Solve for x
x = 31,942,747,420,757.11/6,475,373.12 - Step 6: Final answer
x = 4,932,958.58
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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.