Finding the Fourth Proportional to 3,663,656.12, 5,050,003.68 and 2,888,022.08
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Solution
The fourth proportional to 3,663,656.12, 5,050,003.68 and 2,888,022.08 is: 3,980,865.47
Step by Step Solution
- Step 1: Write the proportion equation
3,663,656.12 : 5,050,003.68 = 2,888,022.08 : x - Step 2: Convert to fraction form
3,663,656.12/5,050,003.68 = 2,888,022.08/x - Step 3: Cross multiply
3,663,656.12x = 5,050,003.68 × 2,888,022.08 - Step 4: Simplify right side
3,663,656.12x = 14,584,522,131,921.25 - Step 5: Solve for x
x = 14,584,522,131,921.25/3,663,656.12 - Step 6: Final answer
x = 3,980,865.47
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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.