Finding the Fourth Proportional to 3,912,018.99, 5,866,554.45 and 1,637,700.63
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Solution
The fourth proportional to 3,912,018.99, 5,866,554.45 and 1,637,700.63 is: 2,455,933.87
Step by Step Solution
- Step 1: Write the proportion equation
3,912,018.99 : 5,866,554.45 = 1,637,700.63 : x - Step 2: Convert to fraction form
3,912,018.99/5,866,554.45 = 1,637,700.63/x - Step 3: Cross multiply
3,912,018.99x = 5,866,554.45 × 1,637,700.63 - Step 4: Simplify right side
3,912,018.99x = 9,607,659,918,694.30 - Step 5: Solve for x
x = 9,607,659,918,694.30/3,912,018.99 - Step 6: Final answer
x = 2,455,933.87
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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.