Finding the Fourth Proportional to 5,368,532.56, 7,408,881.50 and 3,077,074.96
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Solution
The fourth proportional to 5,368,532.56, 7,408,881.50 and 3,077,074.96 is: 4,246,539.16
Step by Step Solution
- Step 1: Write the proportion equation
5,368,532.56 : 7,408,881.50 = 3,077,074.96 : x - Step 2: Convert to fraction form
5,368,532.56/7,408,881.50 = 3,077,074.96/x - Step 3: Cross multiply
5,368,532.56x = 7,408,881.50 × 3,077,074.96 - Step 4: Simplify right side
5,368,532.56x = 22,797,683,745,257.24 - Step 5: Solve for x
x = 22,797,683,745,257.24/5,368,532.56 - Step 6: Final answer
x = 4,246,539.16
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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.