Finding the Fourth Proportional to 1,474,800.93, 2,035,228.61 and 821,421.69
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Solution
The fourth proportional to 1,474,800.93, 2,035,228.61 and 821,421.69 is: 1,133,563.78
Step by Step Solution
- Step 1: Write the proportion equation
1,474,800.93 : 2,035,228.61 = 821,421.69 : x - Step 2: Convert to fraction form
1,474,800.93/2,035,228.61 = 821,421.69/x - Step 3: Cross multiply
1,474,800.93x = 2,035,228.61 × 821,421.69 - Step 4: Simplify right side
1,474,800.93x = 1,671,780,920,255.44 - Step 5: Solve for x
x = 1,671,780,920,255.44/1,474,800.93 - Step 6: Final answer
x = 1,133,563.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.