Finding the Fourth Proportional to 4,855,453.62, 6,699,525.44 and 2,790,070.07
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Solution
The fourth proportional to 4,855,453.62, 6,699,525.44 and 2,790,070.07 is: 3,849,721.74
Step by Step Solution
- Step 1: Write the proportion equation
4,855,453.62 : 6,699,525.44 = 2,790,070.07 : x - Step 2: Convert to fraction form
4,855,453.62/6,699,525.44 = 2,790,070.07/x - Step 3: Cross multiply
4,855,453.62x = 6,699,525.44 × 2,790,070.07 - Step 4: Simplify right side
4,855,453.62x = 18,692,145,365,899.60 - Step 5: Solve for x
x = 18,692,145,365,899.60/4,855,453.62 - Step 6: Final answer
x = 3,849,721.74
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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.