Finding the Fourth Proportional to 5,199,322.55, 7,174,930.86 and 2,876,154.53
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Solution
The fourth proportional to 5,199,322.55, 7,174,930.86 and 2,876,154.53 is: 3,969,018.98
Step by Step Solution
- Step 1: Write the proportion equation
5,199,322.55 : 7,174,930.86 = 2,876,154.53 : x - Step 2: Convert to fraction form
5,199,322.55/7,174,930.86 = 2,876,154.53/x - Step 3: Cross multiply
5,199,322.55x = 7,174,930.86 × 2,876,154.53 - Step 4: Simplify right side
5,199,322.55x = 20,636,209,859,551.14 - Step 5: Solve for x
x = 20,636,209,859,551.14/5,199,322.55 - Step 6: Final answer
x = 3,969,018.98
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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.