Finding the Fourth Proportional to 1,643,688.36, 2,466,186.42 and 632,538.84
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Solution
The fourth proportional to 1,643,688.36, 2,466,186.42 and 632,538.84 is: 949,059.89
Step by Step Solution
- Step 1: Write the proportion equation
1,643,688.36 : 2,466,186.42 = 632,538.84 : x - Step 2: Convert to fraction form
1,643,688.36/2,466,186.42 = 632,538.84/x - Step 3: Cross multiply
1,643,688.36x = 2,466,186.42 × 632,538.84 - Step 4: Simplify right side
1,643,688.36x = 1,559,958,697,330.55 - Step 5: Solve for x
x = 1,559,958,697,330.55/1,643,688.36 - Step 6: Final answer
x = 949,059.89
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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.