Finding the Fourth Proportional to 2,800,946.40, 4,201,680.96 and 2,170,567.68
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Solution
The fourth proportional to 2,800,946.40, 4,201,680.96 and 2,170,567.68 is: 3,256,054.06
Step by Step Solution
- Step 1: Write the proportion equation
2,800,946.40 : 4,201,680.96 = 2,170,567.68 : x - Step 2: Convert to fraction form
2,800,946.40/4,201,680.96 = 2,170,567.68/x - Step 3: Cross multiply
2,800,946.40x = 4,201,680.96 × 2,170,567.68 - Step 4: Simplify right side
2,800,946.40x = 9,120,032,893,447.37 - Step 5: Solve for x
x = 9,120,032,893,447.37/2,800,946.40 - Step 6: Final answer
x = 3,256,054.06
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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.