Finding the Fourth Proportional to 5,418,284.58, 7,477,305.07 and 2,970,889.43
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Solution
The fourth proportional to 5,418,284.58, 7,477,305.07 and 2,970,889.43 is: 4,099,867.08
Step by Step Solution
- Step 1: Write the proportion equation
5,418,284.58 : 7,477,305.07 = 2,970,889.43 : x - Step 2: Convert to fraction form
5,418,284.58/7,477,305.07 = 2,970,889.43/x - Step 3: Cross multiply
5,418,284.58x = 7,477,305.07 × 2,970,889.43 - Step 4: Simplify right side
5,418,284.58x = 22,214,246,597,348.41 - Step 5: Solve for x
x = 22,214,246,597,348.41/5,418,284.58 - Step 6: Final answer
x = 4,099,867.08
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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.