Finding the Fourth Proportional to 1,527,777.16, 2,300,805.62 and 1,391,576.94
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Solution
The fourth proportional to 1,527,777.16, 2,300,805.62 and 1,391,576.94 is: 2,095,690.48
Step by Step Solution
- Step 1: Write the proportion equation
1,527,777.16 : 2,300,805.62 = 1,391,576.94 : x - Step 2: Convert to fraction form
1,527,777.16/2,300,805.62 = 1,391,576.94/x - Step 3: Cross multiply
1,527,777.16x = 2,300,805.62 × 1,391,576.94 - Step 4: Simplify right side
1,527,777.16x = 3,201,748,042,474.93 - Step 5: Solve for x
x = 3,201,748,042,474.93/1,527,777.16 - Step 6: Final answer
x = 2,095,690.48
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.