Finding the Fourth Proportional to 3,548,450.78, 5,319,605.81 and 3,012,210.53
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Solution
The fourth proportional to 3,548,450.78, 5,319,605.81 and 3,012,210.53 is: 4,515,709.42
Step by Step Solution
- Step 1: Write the proportion equation
3,548,450.78 : 5,319,605.81 = 3,012,210.53 : x - Step 2: Convert to fraction form
3,548,450.78/5,319,605.81 = 3,012,210.53/x - Step 3: Cross multiply
3,548,450.78x = 5,319,605.81 × 3,012,210.53 - Step 4: Simplify right side
3,548,450.78x = 16,023,772,621,270.12 - Step 5: Solve for x
x = 16,023,772,621,270.12/3,548,450.78 - Step 6: Final answer
x = 4,515,709.42
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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.