Finding the Fourth Proportional to 2,171,028.74, 2,994,059.48 and 1,355,307.62
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Solution
The fourth proportional to 2,171,028.74, 2,994,059.48 and 1,355,307.62 is: 1,869,100.83
Step by Step Solution
- Step 1: Write the proportion equation
2,171,028.74 : 2,994,059.48 = 1,355,307.62 : x - Step 2: Convert to fraction form
2,171,028.74/2,994,059.48 = 1,355,307.62/x - Step 3: Cross multiply
2,171,028.74x = 2,994,059.48 × 1,355,307.62 - Step 4: Simplify right side
2,171,028.74x = 4,057,871,627,977.24 - Step 5: Solve for x
x = 4,057,871,627,977.24/2,171,028.74 - Step 6: Final answer
x = 1,869,100.83
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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.