Finding the Fourth Proportional to 1,975,057.73, 2,725,579.68 and 1,069,639.73
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Solution
The fourth proportional to 1,975,057.73, 2,725,579.68 and 1,069,639.73 is: 1,476,102.83
Step by Step Solution
- Step 1: Write the proportion equation
1,975,057.73 : 2,725,579.68 = 1,069,639.73 : x - Step 2: Convert to fraction form
1,975,057.73/2,725,579.68 = 1,069,639.73/x - Step 3: Cross multiply
1,975,057.73x = 2,725,579.68 × 1,069,639.73 - Step 4: Simplify right side
1,975,057.73x = 2,915,388,320,921.95 - Step 5: Solve for x
x = 2,915,388,320,921.95/1,975,057.73 - Step 6: Final answer
x = 1,476,102.83
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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.