Finding the Fourth Proportional to 2,195,708.14, 3,030,395.42 and 1,265,234.88
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Solution
The fourth proportional to 2,195,708.14, 3,030,395.42 and 1,265,234.88 is: 1,746,207.49
Step by Step Solution
- Step 1: Write the proportion equation
2,195,708.14 : 3,030,395.42 = 1,265,234.88 : x - Step 2: Convert to fraction form
2,195,708.14/3,030,395.42 = 1,265,234.88/x - Step 3: Cross multiply
2,195,708.14x = 3,030,395.42 × 1,265,234.88 - Step 4: Simplify right side
2,195,708.14x = 3,834,162,000,103.32 - Step 5: Solve for x
x = 3,834,162,000,103.32/2,195,708.14 - Step 6: Final answer
x = 1,746,207.49
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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.