Finding the Fourth Proportional to 1,545,383.84, 2,132,760.69 and 857,277.40
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Solution
The fourth proportional to 1,545,383.84, 2,132,760.69 and 857,277.40 is: 1,183,115.48
Step by Step Solution
- Step 1: Write the proportion equation
1,545,383.84 : 2,132,760.69 = 857,277.40 : x - Step 2: Convert to fraction form
1,545,383.84/2,132,760.69 = 857,277.40/x - Step 3: Cross multiply
1,545,383.84x = 2,132,760.69 × 857,277.40 - Step 4: Simplify right side
1,545,383.84x = 1,828,367,539,145.41 - Step 5: Solve for x
x = 1,828,367,539,145.41/1,545,383.84 - Step 6: Final answer
x = 1,183,115.48
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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.