Finding the Fourth Proportional to 3,612,926.24, 4,985,379.96 and 1,980,904.14
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Solution
The fourth proportional to 3,612,926.24, 4,985,379.96 and 1,980,904.14 is: 2,733,396.46
Step by Step Solution
- Step 1: Write the proportion equation
3,612,926.24 : 4,985,379.96 = 1,980,904.14 : x - Step 2: Convert to fraction form
3,612,926.24/4,985,379.96 = 1,980,904.14/x - Step 3: Cross multiply
3,612,926.24x = 4,985,379.96 × 1,980,904.14 - Step 4: Simplify right side
3,612,926.24x = 9,875,559,802,237.03 - Step 5: Solve for x
x = 9,875,559,802,237.03/3,612,926.24 - Step 6: Final answer
x = 2,733,396.46
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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.