Finding the Fourth Proportional to 7,241,638.26, 10,862,455.77 and 1,850,298.78
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Solution
The fourth proportional to 7,241,638.26, 10,862,455.77 and 1,850,298.78 is: 2,775,447.76
Step by Step Solution
- Step 1: Write the proportion equation
7,241,638.26 : 10,862,455.77 = 1,850,298.78 : x - Step 2: Convert to fraction form
7,241,638.26/10,862,455.77 = 1,850,298.78/x - Step 3: Cross multiply
7,241,638.26x = 10,862,455.77 × 1,850,298.78 - Step 4: Simplify right side
7,241,638.26x = 20,098,788,659,034.96 - Step 5: Solve for x
x = 20,098,788,659,034.96/7,241,638.26 - Step 6: Final answer
x = 2,775,447.76
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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.