Finding the Fourth Proportional to 1,470,302.12, 2,029,124.58 and 825,760.28
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Solution
The fourth proportional to 1,470,302.12, 2,029,124.58 and 825,760.28 is: 1,139,609.65
Step by Step Solution
- Step 1: Write the proportion equation
1,470,302.12 : 2,029,124.58 = 825,760.28 : x - Step 2: Convert to fraction form
1,470,302.12/2,029,124.58 = 825,760.28/x - Step 3: Cross multiply
1,470,302.12x = 2,029,124.58 × 825,760.28 - Step 4: Simplify right side
1,470,302.12x = 1,675,570,481,335.68 - Step 5: Solve for x
x = 1,675,570,481,335.68/1,470,302.12 - Step 6: Final answer
x = 1,139,609.65
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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.