Finding the Fourth Proportional to 1,976,128.84, 2,727,059.60 and 1,070,710.84
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Solution
The fourth proportional to 1,976,128.84, 2,727,059.60 and 1,070,710.84 is: 1,477,581.93
Step by Step Solution
- Step 1: Write the proportion equation
1,976,128.84 : 2,727,059.60 = 1,070,710.84 : x - Step 2: Convert to fraction form
1,976,128.84/2,727,059.60 = 1,070,710.84/x - Step 3: Cross multiply
1,976,128.84x = 2,727,059.60 × 1,070,710.84 - Step 4: Simplify right side
1,976,128.84x = 2,919,892,275,046.06 - Step 5: Solve for x
x = 2,919,892,275,046.06/1,976,128.84 - Step 6: Final answer
x = 1,477,581.93
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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.