Finding the Fourth Proportional to 6,321,454.11, 8,723,606.69 and 3,420,844.98
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Solution
The fourth proportional to 6,321,454.11, 8,723,606.69 and 3,420,844.98 is: 4,720,766.08
Step by Step Solution
- Step 1: Write the proportion equation
6,321,454.11 : 8,723,606.69 = 3,420,844.98 : x - Step 2: Convert to fraction form
6,321,454.11/8,723,606.69 = 3,420,844.98/x - Step 3: Cross multiply
6,321,454.11x = 8,723,606.69 × 3,420,844.98 - Step 4: Simplify right side
6,321,454.11x = 29,842,106,158,647.54 - Step 5: Solve for x
x = 29,842,106,158,647.54/6,321,454.11 - Step 6: Final answer
x = 4,720,766.08
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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.