Finding the Fourth Proportional to 2,103,245.40, 3,148,647.30 and 1,980,211.80
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Solution
The fourth proportional to 2,103,245.40, 3,148,647.30 and 1,980,211.80 is: 2,964,460.80
Step by Step Solution
- Step 1: Write the proportion equation
2,103,245.40 : 3,148,647.30 = 1,980,211.80 : x - Step 2: Convert to fraction form
2,103,245.40/3,148,647.30 = 1,980,211.80/x - Step 3: Cross multiply
2,103,245.40x = 3,148,647.30 × 1,980,211.80 - Step 4: Simplify right side
2,103,245.40x = 6,234,988,537,498.14 - Step 5: Solve for x
x = 6,234,988,537,498.14/2,103,245.40 - Step 6: Final answer
x = 2,964,460.80
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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.