Finding the Fourth Proportional to 1,474,405.80, 2,034,745.48 and 829,867.74
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Solution
The fourth proportional to 1,474,405.80, 2,034,745.48 and 829,867.74 is: 1,145,254.33
Step by Step Solution
- Step 1: Write the proportion equation
1,474,405.80 : 2,034,745.48 = 829,867.74 : x - Step 2: Convert to fraction form
1,474,405.80/2,034,745.48 = 829,867.74/x - Step 3: Cross multiply
1,474,405.80x = 2,034,745.48 × 829,867.74 - Step 4: Simplify right side
1,474,405.80x = 1,688,569,632,962.82 - Step 5: Solve for x
x = 1,688,569,632,962.82/1,474,405.80 - Step 6: Final answer
x = 1,145,254.33
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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.