Finding the Fourth Proportional to 6,115,804.48, 8,439,307.88 and 3,600,779.44
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Solution
The fourth proportional to 6,115,804.48, 8,439,307.88 and 3,600,779.44 is: 4,968,779.89
Step by Step Solution
- Step 1: Write the proportion equation
6,115,804.48 : 8,439,307.88 = 3,600,779.44 : x - Step 2: Convert to fraction form
6,115,804.48/8,439,307.88 = 3,600,779.44/x - Step 3: Cross multiply
6,115,804.48x = 8,439,307.88 × 3,600,779.44 - Step 4: Simplify right side
6,115,804.48x = 30,388,086,302,133.99 - Step 5: Solve for x
x = 30,388,086,302,133.99/6,115,804.48 - Step 6: Final answer
x = 4,968,779.89
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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.