Finding the Fourth Proportional to 1,186,051.97, 1,636,752.49 and 642,188.14
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Solution
The fourth proportional to 1,186,051.97, 1,636,752.49 and 642,188.14 is: 886,220.04
Step by Step Solution
- Step 1: Write the proportion equation
1,186,051.97 : 1,636,752.49 = 642,188.14 : x - Step 2: Convert to fraction form
1,186,051.97/1,636,752.49 = 642,188.14/x - Step 3: Cross multiply
1,186,051.97x = 1,636,752.49 × 642,188.14 - Step 4: Simplify right side
1,186,051.97x = 1,051,103,031,496.12 - Step 5: Solve for x
x = 1,051,103,031,496.12/1,186,051.97 - Step 6: Final answer
x = 886,220.04
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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.