Finding the Fourth Proportional to 5,167,865.79, 7,751,801.12 and 2,324,656.17
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Solution
The fourth proportional to 5,167,865.79, 7,751,801.12 and 2,324,656.17 is: 3,486,985.35
Step by Step Solution
- Step 1: Write the proportion equation
5,167,865.79 : 7,751,801.12 = 2,324,656.17 : x - Step 2: Convert to fraction form
5,167,865.79/7,751,801.12 = 2,324,656.17/x - Step 3: Cross multiply
5,167,865.79x = 7,751,801.12 × 2,324,656.17 - Step 4: Simplify right side
5,167,865.79x = 18,020,272,290,597.63 - Step 5: Solve for x
x = 18,020,272,290,597.63/5,167,865.79 - Step 6: Final answer
x = 3,486,985.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.