Finding the Fourth Proportional to 1,545,474.14, 2,132,722.53 and 857,034.90
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Solution
The fourth proportional to 1,545,474.14, 2,132,722.53 and 857,034.90 is: 1,182,690.54
Step by Step Solution
- Step 1: Write the proportion equation
1,545,474.14 : 2,132,722.53 = 857,034.90 : x - Step 2: Convert to fraction form
1,545,474.14/2,132,722.53 = 857,034.90/x - Step 3: Cross multiply
1,545,474.14x = 2,132,722.53 × 857,034.90 - Step 4: Simplify right side
1,545,474.14x = 1,827,817,640,226.30 - Step 5: Solve for x
x = 1,827,817,640,226.30/1,545,474.14 - Step 6: Final answer
x = 1,182,690.54
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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.