Finding the Fourth Proportional to 2,267,518.16, 3,129,056.88 and 1,408,059.92
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Solution
The fourth proportional to 2,267,518.16, 3,129,056.88 and 1,408,059.92 is: 1,943,049.30
Step by Step Solution
- Step 1: Write the proportion equation
2,267,518.16 : 3,129,056.88 = 1,408,059.92 : x - Step 2: Convert to fraction form
2,267,518.16/3,129,056.88 = 1,408,059.92/x - Step 3: Cross multiply
2,267,518.16x = 3,129,056.88 × 1,408,059.92 - Step 4: Simplify right side
2,267,518.16x = 4,405,899,580,128.25 - Step 5: Solve for x
x = 4,405,899,580,128.25/2,267,518.16 - Step 6: Final answer
x = 1,943,049.30
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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.