Finding the Fourth Proportional to 1,609,812.63, 2,221,451.33 and 964,910.07
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Solution
The fourth proportional to 1,609,812.63, 2,221,451.33 and 964,910.07 is: 1,331,521.89
Step by Step Solution
- Step 1: Write the proportion equation
1,609,812.63 : 2,221,451.33 = 964,910.07 : x - Step 2: Convert to fraction form
1,609,812.63/2,221,451.33 = 964,910.07/x - Step 3: Cross multiply
1,609,812.63x = 2,221,451.33 × 964,910.07 - Step 4: Simplify right side
1,609,812.63x = 2,143,500,753,507.34 - Step 5: Solve for x
x = 2,143,500,753,507.34/1,609,812.63 - Step 6: Final answer
x = 1,331,521.89
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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.