Finding the Fourth Proportional to 5,026,471.20, 6,936,560.76 and 2,734,648.32
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Solution
The fourth proportional to 5,026,471.20, 6,936,560.76 and 2,734,648.32 is: 3,773,831.28
Step by Step Solution
- Step 1: Write the proportion equation
5,026,471.20 : 6,936,560.76 = 2,734,648.32 : x - Step 2: Convert to fraction form
5,026,471.20/6,936,560.76 = 2,734,648.32/x - Step 3: Cross multiply
5,026,471.20x = 6,936,560.76 × 2,734,648.32 - Step 4: Simplify right side
5,026,471.20x = 18,969,054,228,911.92 - Step 5: Solve for x
x = 18,969,054,228,911.92/5,026,471.20 - Step 6: Final answer
x = 3,773,831.28
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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.