Finding the Fourth Proportional to 2,070,394.36, 2,857,208.28 and 1,127,472.88
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Solution
The fourth proportional to 2,070,394.36, 2,857,208.28 and 1,127,472.88 is: 1,555,947.46
Step by Step Solution
- Step 1: Write the proportion equation
2,070,394.36 : 2,857,208.28 = 1,127,472.88 : x - Step 2: Convert to fraction form
2,070,394.36/2,857,208.28 = 1,127,472.88/x - Step 3: Cross multiply
2,070,394.36x = 2,857,208.28 × 1,127,472.88 - Step 4: Simplify right side
2,070,394.36x = 3,221,424,848,211.45 - Step 5: Solve for x
x = 3,221,424,848,211.45/2,070,394.36 - Step 6: Final answer
x = 1,555,947.46
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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.