Finding the Fourth Proportional to 4,245,154.64, 6,368,045.40 and 1,212,777.20
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Solution
The fourth proportional to 4,245,154.64, 6,368,045.40 and 1,212,777.20 is: 1,819,255.35
Step by Step Solution
- Step 1: Write the proportion equation
4,245,154.64 : 6,368,045.40 = 1,212,777.20 : x - Step 2: Convert to fraction form
4,245,154.64/6,368,045.40 = 1,212,777.20/x - Step 3: Cross multiply
4,245,154.64x = 6,368,045.40 × 1,212,777.20 - Step 4: Simplify right side
4,245,154.64x = 7,723,020,269,684.88 - Step 5: Solve for x
x = 7,723,020,269,684.88/4,245,154.64 - Step 6: Final answer
x = 1,819,255.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.