Finding the Fourth Proportional to 2,070,402.40, 2,857,219.36 and 1,127,480.88
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Solution
The fourth proportional to 2,070,402.40, 2,857,219.36 and 1,127,480.88 is: 1,555,958.49
Step by Step Solution
- Step 1: Write the proportion equation
2,070,402.40 : 2,857,219.36 = 1,127,480.88 : x - Step 2: Convert to fraction form
2,070,402.40/2,857,219.36 = 1,127,480.88/x - Step 3: Cross multiply
2,070,402.40x = 2,857,219.36 × 1,127,480.88 - Step 4: Simplify right side
2,070,402.40x = 3,221,460,198,365.84 - Step 5: Solve for x
x = 3,221,460,198,365.84/2,070,402.40 - Step 6: Final answer
x = 1,555,958.49
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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.