Finding the Fourth Proportional to 5,361,762.75, 7,399,282.11 and 2,914,379.55
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Solution
The fourth proportional to 5,361,762.75, 7,399,282.11 and 2,914,379.55 is: 4,021,870.69
Step by Step Solution
- Step 1: Write the proportion equation
5,361,762.75 : 7,399,282.11 = 2,914,379.55 : x - Step 2: Convert to fraction form
5,361,762.75/7,399,282.11 = 2,914,379.55/x - Step 3: Cross multiply
5,361,762.75x = 7,399,282.11 × 2,914,379.55 - Step 4: Simplify right side
5,361,762.75x = 21,564,316,466,064.85 - Step 5: Solve for x
x = 21,564,316,466,064.85/5,361,762.75 - Step 6: Final answer
x = 4,021,870.69
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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.