Finding the Fourth Proportional to 2,143,698.06, 3,213,101 and 863,485.68
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Solution
The fourth proportional to 2,143,698.06, 3,213,101 and 863,485.68 is: 1,294,243.23
Step by Step Solution
- Step 1: Write the proportion equation
2,143,698.06 : 3,213,101 = 863,485.68 : x - Step 2: Convert to fraction form
2,143,698.06/3,213,101 = 863,485.68/x - Step 3: Cross multiply
2,143,698.06x = 3,213,101 × 863,485.68 - Step 4: Simplify right side
2,143,698.06x = 2,774,466,701,893.68 - Step 5: Solve for x
x = 2,774,466,701,893.68/2,143,698.06 - Step 6: Final answer
x = 1,294,243.23
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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.