Finding the Fourth Proportional to 5,275,538.42, 7,281,611.60 and 2,985,027.71
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Solution
The fourth proportional to 5,275,538.42, 7,281,611.60 and 2,985,027.71 is: 4,120,112.61
Step by Step Solution
- Step 1: Write the proportion equation
5,275,538.42 : 7,281,611.60 = 2,985,027.71 : x - Step 2: Convert to fraction form
5,275,538.42/7,281,611.60 = 2,985,027.71/x - Step 3: Cross multiply
5,275,538.42x = 7,281,611.60 × 2,985,027.71 - Step 4: Simplify right side
5,275,538.42x = 21,735,812,348,124.24 - Step 5: Solve for x
x = 21,735,812,348,124.24/5,275,538.42 - Step 6: Final answer
x = 4,120,112.61
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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.