Finding the Fourth Proportional to 3,943,166.99, 5,915,222.67 and 1,210,356.44
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Solution
The fourth proportional to 3,943,166.99, 5,915,222.67 and 1,210,356.44 is: 1,815,679.59
Step by Step Solution
- Step 1: Write the proportion equation
3,943,166.99 : 5,915,222.67 = 1,210,356.44 : x - Step 2: Convert to fraction form
3,943,166.99/5,915,222.67 = 1,210,356.44/x - Step 3: Cross multiply
3,943,166.99x = 5,915,222.67 × 1,210,356.44 - Step 4: Simplify right side
3,943,166.99x = 7,159,527,823,092.38 - Step 5: Solve for x
x = 7,159,527,823,092.38/3,943,166.99 - Step 6: Final answer
x = 1,815,679.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.