Finding the Fourth Proportional to 6,321,652.88, 8,723,902.55 and 3,421,042.98
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Solution
The fourth proportional to 6,321,652.88, 8,723,902.55 and 3,421,042.98 is: 4,721,050.99
Step by Step Solution
- Step 1: Write the proportion equation
6,321,652.88 : 8,723,902.55 = 3,421,042.98 : x - Step 2: Convert to fraction form
6,321,652.88/8,723,902.55 = 3,421,042.98/x - Step 3: Cross multiply
6,321,652.88x = 8,723,902.55 × 3,421,042.98 - Step 4: Simplify right side
6,321,652.88x = 29,844,845,559,776.38 - Step 5: Solve for x
x = 29,844,845,559,776.38/6,321,652.88 - Step 6: Final answer
x = 4,721,050.99
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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.