Finding the Fourth Proportional to 1,827,842.18, 2,521,628.09 and 1,102,286.71
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Solution
The fourth proportional to 1,827,842.18, 2,521,628.09 and 1,102,286.71 is: 1,520,676.76
Step by Step Solution
- Step 1: Write the proportion equation
1,827,842.18 : 2,521,628.09 = 1,102,286.71 : x - Step 2: Convert to fraction form
1,827,842.18/2,521,628.09 = 1,102,286.71/x - Step 3: Cross multiply
1,827,842.18x = 2,521,628.09 × 1,102,286.71 - Step 4: Simplify right side
1,827,842.18x = 2,779,557,118,561.54 - Step 5: Solve for x
x = 2,779,557,118,561.54/1,827,842.18 - Step 6: Final answer
x = 1,520,676.76
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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.