Finding the Fourth Proportional to 3,246,394.85, 4,479,860.96 and 1,776,271.58
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Solution
The fourth proportional to 3,246,394.85, 4,479,860.96 and 1,776,271.58 is: 2,451,165.08
Step by Step Solution
- Step 1: Write the proportion equation
3,246,394.85 : 4,479,860.96 = 1,776,271.58 : x - Step 2: Convert to fraction form
3,246,394.85/4,479,860.96 = 1,776,271.58/x - Step 3: Cross multiply
3,246,394.85x = 4,479,860.96 × 1,776,271.58 - Step 4: Simplify right side
3,246,394.85x = 7,957,449,674,318.86 - Step 5: Solve for x
x = 7,957,449,674,318.86/3,246,394.85 - Step 6: Final answer
x = 2,451,165.08
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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.