Finding the Fourth Proportional to 6,439,174.65, 8,884,122.12 and 3,859,914.33
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Solution
The fourth proportional to 6,439,174.65, 8,884,122.12 and 3,859,914.33 is: 5,325,519.52
Step by Step Solution
- Step 1: Write the proportion equation
6,439,174.65 : 8,884,122.12 = 3,859,914.33 : x - Step 2: Convert to fraction form
6,439,174.65/8,884,122.12 = 3,859,914.33/x - Step 3: Cross multiply
6,439,174.65x = 8,884,122.12 × 3,859,914.33 - Step 4: Simplify right side
6,439,174.65x = 34,291,950,280,457.98 - Step 5: Solve for x
x = 34,291,950,280,457.98/6,439,174.65 - Step 6: Final answer
x = 5,325,519.52
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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.