Finding the Fourth Proportional to 5,395,087.75, 7,445,134.20 and 2,947,646.24
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Solution
The fourth proportional to 5,395,087.75, 7,445,134.20 and 2,947,646.24 is: 4,067,704.34
Step by Step Solution
- Step 1: Write the proportion equation
5,395,087.75 : 7,445,134.20 = 2,947,646.24 : x - Step 2: Convert to fraction form
5,395,087.75/7,445,134.20 = 2,947,646.24/x - Step 3: Cross multiply
5,395,087.75x = 7,445,134.20 × 2,947,646.24 - Step 4: Simplify right side
5,395,087.75x = 21,945,621,830,925.41 - Step 5: Solve for x
x = 21,945,621,830,925.41/5,395,087.75 - Step 6: Final answer
x = 4,067,704.34
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1.5x scale
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.