Finding the Fourth Proportional to 1,690,485.84, 2,534,795.64 and 693,913.68
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Solution
The fourth proportional to 1,690,485.84, 2,534,795.64 and 693,913.68 is: 1,040,487.49
Step by Step Solution
- Step 1: Write the proportion equation
1,690,485.84 : 2,534,795.64 = 693,913.68 : x - Step 2: Convert to fraction form
1,690,485.84/2,534,795.64 = 693,913.68/x - Step 3: Cross multiply
1,690,485.84x = 2,534,795.64 × 693,913.68 - Step 4: Simplify right side
1,690,485.84x = 1,758,929,370,600.36 - Step 5: Solve for x
x = 1,758,929,370,600.36/1,690,485.84 - Step 6: Final answer
x = 1,040,487.49
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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.