Finding the Fourth Proportional to 2,798,810.16, 4,198,826.52 and 905,742.96
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Solution
The fourth proportional to 2,798,810.16, 4,198,826.52 and 905,742.96 is: 1,358,812.26
Step by Step Solution
- Step 1: Write the proportion equation
2,798,810.16 : 4,198,826.52 = 905,742.96 : x - Step 2: Convert to fraction form
2,798,810.16/4,198,826.52 = 905,742.96/x - Step 3: Cross multiply
2,798,810.16x = 4,198,826.52 × 905,742.96 - Step 4: Simplify right side
2,798,810.16x = 3,803,057,560,751.30 - Step 5: Solve for x
x = 3,803,057,560,751.30/2,798,810.16 - Step 6: Final answer
x = 1,358,812.26
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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.