Finding the Fourth Proportional to 2,128,534.68, 3,190,029.60 and 864,885
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Solution
The fourth proportional to 2,128,534.68, 3,190,029.60 and 864,885 is: 1,296,200.99
Step by Step Solution
- Step 1: Write the proportion equation
2,128,534.68 : 3,190,029.60 = 864,885 : x - Step 2: Convert to fraction form
2,128,534.68/3,190,029.60 = 864,885/x - Step 3: Cross multiply
2,128,534.68x = 3,190,029.60 × 864,885 - Step 4: Simplify right side
2,128,534.68x = 2,759,008,750,596 - Step 5: Solve for x
x = 2,759,008,750,596/2,128,534.68 - Step 6: Final answer
x = 1,296,200.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.