Finding the Fourth Proportional to 2,319,328.80, 3,478,993.20 and 1,469,023.20
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Solution
The fourth proportional to 2,319,328.80, 3,478,993.20 and 1,469,023.20 is: 2,203,534.80
Step by Step Solution
- Step 1: Write the proportion equation
2,319,328.80 : 3,478,993.20 = 1,469,023.20 : x - Step 2: Convert to fraction form
2,319,328.80/3,478,993.20 = 1,469,023.20/x - Step 3: Cross multiply
2,319,328.80x = 3,478,993.20 × 1,469,023.20 - Step 4: Simplify right side
2,319,328.80x = 5,110,721,723,442.24 - Step 5: Solve for x
x = 5,110,721,723,442.24/2,319,328.80 - Step 6: Final answer
x = 2,203,534.80
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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.