Finding the Fourth Proportional to 6,218,007.14, 8,580,867.62 and 3,605,019.02
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Solution
The fourth proportional to 6,218,007.14, 8,580,867.62 and 3,605,019.02 is: 4,974,936.55
Step by Step Solution
- Step 1: Write the proportion equation
6,218,007.14 : 8,580,867.62 = 3,605,019.02 : x - Step 2: Convert to fraction form
6,218,007.14/8,580,867.62 = 3,605,019.02/x - Step 3: Cross multiply
6,218,007.14x = 8,580,867.62 × 3,605,019.02 - Step 4: Simplify right side
6,218,007.14x = 30,934,190,978,202.13 - Step 5: Solve for x
x = 30,934,190,978,202.13/6,218,007.14 - Step 6: Final answer
x = 4,974,936.55
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1.5x scale
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.