Finding the Fourth Proportional to 4,740,447.23, 6,539,407.11 and 2,879,367.48
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Solution
The fourth proportional to 4,740,447.23, 6,539,407.11 and 2,879,367.48 is: 3,972,063.24
Step by Step Solution
- Step 1: Write the proportion equation
4,740,447.23 : 6,539,407.11 = 2,879,367.48 : x - Step 2: Convert to fraction form
4,740,447.23/6,539,407.11 = 2,879,367.48/x - Step 3: Cross multiply
4,740,447.23x = 6,539,407.11 × 2,879,367.48 - Step 4: Simplify right side
4,740,447.23x = 18,829,356,171,014.79 - Step 5: Solve for x
x = 18,829,356,171,014.79/4,740,447.23 - Step 6: Final answer
x = 3,972,063.24
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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.