Finding the Fourth Proportional to 4,485,774.25, 6,190,289.48 and 2,551,993.61
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Solution
The fourth proportional to 4,485,774.25, 6,190,289.48 and 2,551,993.61 is: 3,521,706.25
Step by Step Solution
- Step 1: Write the proportion equation
4,485,774.25 : 6,190,289.48 = 2,551,993.61 : x - Step 2: Convert to fraction form
4,485,774.25/6,190,289.48 = 2,551,993.61/x - Step 3: Cross multiply
4,485,774.25x = 6,190,289.48 × 2,551,993.61 - Step 4: Simplify right side
4,485,774.25x = 15,797,579,184,250.25 - Step 5: Solve for x
x = 15,797,579,184,250.25/4,485,774.25 - Step 6: Final answer
x = 3,521,706.25
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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.