Finding the Fourth Proportional to 2,485,009.99, 3,727,099.75 and 688,075.11
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Solution
The fourth proportional to 2,485,009.99, 3,727,099.75 and 688,075.11 is: 1,031,997.69
Step by Step Solution
- Step 1: Write the proportion equation
2,485,009.99 : 3,727,099.75 = 688,075.11 : x - Step 2: Convert to fraction form
2,485,009.99/3,727,099.75 = 688,075.11/x - Step 3: Cross multiply
2,485,009.99x = 3,727,099.75 × 688,075.11 - Step 4: Simplify right side
2,485,009.99x = 2,564,524,570,462.22 - Step 5: Solve for x
x = 2,564,524,570,462.22/2,485,009.99 - Step 6: Final answer
x = 1,031,997.69
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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.