Finding the Fourth Proportional to 1,700,829.12, 2,347,310.16 and 1,270,362.72
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Solution
The fourth proportional to 1,700,829.12, 2,347,310.16 and 1,270,362.72 is: 1,753,224.52
Step by Step Solution
- Step 1: Write the proportion equation
1,700,829.12 : 2,347,310.16 = 1,270,362.72 : x - Step 2: Convert to fraction form
1,700,829.12/2,347,310.16 = 1,270,362.72/x - Step 3: Cross multiply
1,700,829.12x = 2,347,310.16 × 1,270,362.72 - Step 4: Simplify right side
1,700,829.12x = 2,981,935,319,541.24 - Step 5: Solve for x
x = 2,981,935,319,541.24/1,700,829.12 - Step 6: Final answer
x = 1,753,224.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.