Finding the Fourth Proportional to 2,075,420.40, 3,113,908.20 and 814,153.20
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Solution
The fourth proportional to 2,075,420.40, 3,113,908.20 and 814,153.20 is: 1,221,534.84
Step by Step Solution
- Step 1: Write the proportion equation
2,075,420.40 : 3,113,908.20 = 814,153.20 : x - Step 2: Convert to fraction form
2,075,420.40/3,113,908.20 = 814,153.20/x - Step 3: Cross multiply
2,075,420.40x = 3,113,908.20 × 814,153.20 - Step 4: Simplify right side
2,075,420.40x = 2,535,198,325,536.24 - Step 5: Solve for x
x = 2,535,198,325,536.24/2,075,420.40 - Step 6: Final answer
x = 1,221,534.84
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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.