Finding the Fourth Proportional to 1,975,059.05, 2,725,581.49 and 1,069,641.05
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Solution
The fourth proportional to 1,975,059.05, 2,725,581.49 and 1,069,641.05 is: 1,476,104.65
Step by Step Solution
- Step 1: Write the proportion equation
1,975,059.05 : 2,725,581.49 = 1,069,641.05 : x - Step 2: Convert to fraction form
1,975,059.05/2,725,581.49 = 1,069,641.05/x - Step 3: Cross multiply
1,975,059.05x = 2,725,581.49 × 1,069,641.05 - Step 4: Simplify right side
1,975,059.05x = 2,915,393,846,824.17 - Step 5: Solve for x
x = 2,915,393,846,824.17/1,975,059.05 - Step 6: Final answer
x = 1,476,104.65
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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.