Finding the Fourth Proportional to 3,418,020.60, 5,127,030.90 and 2,862,295.80
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Solution
The fourth proportional to 3,418,020.60, 5,127,030.90 and 2,862,295.80 is: 4,293,443.70
Step by Step Solution
- Step 1: Write the proportion equation
3,418,020.60 : 5,127,030.90 = 2,862,295.80 : x - Step 2: Convert to fraction form
3,418,020.60/5,127,030.90 = 2,862,295.80/x - Step 3: Cross multiply
3,418,020.60x = 5,127,030.90 × 2,862,295.80 - Step 4: Simplify right side
3,418,020.60x = 14,675,079,011,540.22 - Step 5: Solve for x
x = 14,675,079,011,540.22/3,418,020.60 - Step 6: Final answer
x = 4,293,443.70
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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.