Finding the Fourth Proportional to 5,306,505.64, 7,958,980.86 and 2,610,107.08
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Solution
The fourth proportional to 5,306,505.64, 7,958,980.86 and 2,610,107.08 is: 3,914,778.14
Step by Step Solution
- Step 1: Write the proportion equation
5,306,505.64 : 7,958,980.86 = 2,610,107.08 : x - Step 2: Convert to fraction form
5,306,505.64/7,958,980.86 = 2,610,107.08/x - Step 3: Cross multiply
5,306,505.64x = 7,958,980.86 × 2,610,107.08 - Step 4: Simplify right side
5,306,505.64x = 20,773,792,292,270.49 - Step 5: Solve for x
x = 20,773,792,292,270.49/5,306,505.64 - Step 6: Final answer
x = 3,914,778.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.