Finding the Fourth Proportional to 2,119,740.68, 3,179,133.21 and 603,389.99
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Solution
The fourth proportional to 2,119,740.68, 3,179,133.21 and 603,389.99 is: 904,948.98
Step by Step Solution
- Step 1: Write the proportion equation
2,119,740.68 : 3,179,133.21 = 603,389.99 : x - Step 2: Convert to fraction form
2,119,740.68/3,179,133.21 = 603,389.99/x - Step 3: Cross multiply
2,119,740.68x = 3,179,133.21 × 603,389.99 - Step 4: Simplify right side
2,119,740.68x = 1,918,257,155,790.57 - Step 5: Solve for x
x = 1,918,257,155,790.57/2,119,740.68 - Step 6: Final answer
x = 904,948.98
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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.