Finding the Fourth Proportional to 5,034,655.20, 7,551,982.80 and 1,668,862.20
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Solution
The fourth proportional to 5,034,655.20, 7,551,982.80 and 1,668,862.20 is: 2,503,293.30
Step by Step Solution
- Step 1: Write the proportion equation
5,034,655.20 : 7,551,982.80 = 1,668,862.20 : x - Step 2: Convert to fraction form
5,034,655.20/7,551,982.80 = 1,668,862.20/x - Step 3: Cross multiply
5,034,655.20x = 7,551,982.80 × 1,668,862.20 - Step 4: Simplify right side
5,034,655.20x = 12,603,218,629,970.16 - Step 5: Solve for x
x = 12,603,218,629,970.16/5,034,655.20 - Step 6: Final answer
x = 2,503,293.30
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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.