Finding the Fourth Proportional to 4,075,362.19, 5,623,881.20 and 2,332,972.76
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Solution
The fourth proportional to 4,075,362.19, 5,623,881.20 and 2,332,972.76 is: 3,219,434.50
Step by Step Solution
- Step 1: Write the proportion equation
4,075,362.19 : 5,623,881.20 = 2,332,972.76 : x - Step 2: Convert to fraction form
4,075,362.19/5,623,881.20 = 2,332,972.76/x - Step 3: Cross multiply
4,075,362.19x = 5,623,881.20 × 2,332,972.76 - Step 4: Simplify right side
4,075,362.19x = 13,120,361,622,789.14 - Step 5: Solve for x
x = 13,120,361,622,789.14/4,075,362.19 - Step 6: Final answer
x = 3,219,434.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.