Finding the Fourth Proportional to 3,845,899.44, 5,307,314.40 and 2,126,956.32
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Solution
The fourth proportional to 3,845,899.44, 5,307,314.40 and 2,126,956.32 is: 2,935,184.88
Step by Step Solution
- Step 1: Write the proportion equation
3,845,899.44 : 5,307,314.40 = 2,126,956.32 : x - Step 2: Convert to fraction form
3,845,899.44/5,307,314.40 = 2,126,956.32/x - Step 3: Cross multiply
3,845,899.44x = 5,307,314.40 × 2,126,956.32 - Step 4: Simplify right side
3,845,899.44x = 11,288,425,905,307.01 - Step 5: Solve for x
x = 11,288,425,905,307.01/3,845,899.44 - Step 6: Final answer
x = 2,935,184.88
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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.