Finding the Fourth Proportional to 2,843,561.96, 3,924,115.80 and 1,554,407.60
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Solution
The fourth proportional to 2,843,561.96, 3,924,115.80 and 1,554,407.60 is: 2,145,082.65
Step by Step Solution
- Step 1: Write the proportion equation
2,843,561.96 : 3,924,115.80 = 1,554,407.60 : x - Step 2: Convert to fraction form
2,843,561.96/3,924,115.80 = 1,554,407.60/x - Step 3: Cross multiply
2,843,561.96x = 3,924,115.80 × 1,554,407.60 - Step 4: Simplify right side
2,843,561.96x = 6,099,675,422,800.08 - Step 5: Solve for x
x = 6,099,675,422,800.08/2,843,561.96 - Step 6: Final answer
x = 2,145,082.65
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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.