Finding the Fourth Proportional to 1,527,823.71, 2,107,659.56 and 1,017,873.63
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Solution
The fourth proportional to 1,527,823.71, 2,107,659.56 and 1,017,873.63 is: 1,404,174.49
Step by Step Solution
- Step 1: Write the proportion equation
1,527,823.71 : 2,107,659.56 = 1,017,873.63 : x - Step 2: Convert to fraction form
1,527,823.71/2,107,659.56 = 1,017,873.63/x - Step 3: Cross multiply
1,527,823.71x = 2,107,659.56 × 1,017,873.63 - Step 4: Simplify right side
1,527,823.71x = 2,145,331,082,052.04 - Step 5: Solve for x
x = 2,145,331,082,052.04/1,527,823.71 - Step 6: Final answer
x = 1,404,174.49
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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.